Editing Seven

{{Status|RealWorld}}

{{References}}

{{Quote|Some of you may be wondering - "What's up with this unhealthy obsession with the number 7?"  This page offers ''some'' insights.|[[Brian Jarrard]], linking to this very page<ref>[http://halo.bungie.net/News/content.aspx?cid=14650 '''Bungie.net''': ''Bungie Day Tribute'']</ref>}}

After [[343 Industries]] took over the ''Halo'' franchise in 2011, references to 7 have continued, possibly as a homage to Bungie.

*[[Lieutenant, Junior Grade]] [[Jacob Keyes]] graduated from UNSC OCS '''7''' weeks before being assigned to observe SPARTAN-II candidates with Dr. Halsey<ref name="for19">'''Halo: The Fall of Reach''', ''page 19''</ref>

*During Keyes's second year at OCS he was involved in an incident which killed fourteen [[Ensign]]s.{{Ref/Reuse|for19}} 14/2='''7'''

*John attended [[Elysium City Primary Education Facility Number 119]] before being abducted for the [[SPARTAN-II Program]].<ref>'''Halo: The Fall of Reach''', ''page 21''</ref> 119/7=17, 1x7='''7'''.

*John's SPARTAN tag is 117 (1x1x7='''7''').<ref>'''Halo: The Fall of Reach''', ''page 22''</ref>

*Samuel's SPARTAN tag is 034 (0+3+4='''7''').{{Ref/Novel|Id=HTFOR4|HTFOR|Chapter=4}}

*On October '''7''', 2525, three [[UNSC]] vessels were sent to investigate why the [[Colonial Administration Authority]] had lost contact with the [[Harvest]] system. 2+5=7<ref>'''Halo: The Fall of Reach''', ''page 96''</ref>

*The Medical Facility "Hopeful" was gone for '''7''' days.{{citation needed}}

*The human colony [[Jericho VII]] is introduced. VII = '''7''' in Roman Numerals.

*A UNSC [[UNSC destroyer|destroyer]] was only '''7''' meters longer than a [[UNSC frigate|frigate]].<ref>'''Halo: The Fall of Reach''', ''page 139''</ref>

*[[Lieutenant]] [[Hall]] has written '''7''' physics papers on Slipspace communications.<ref>'''Halo: The Fall of Reach''', ''page 140''</ref>

*Four [[Covenant]] frigate ships are an even match with '''7''' UNSC destroyers.<ref>'''Halo: The Fall of Reach''', ''page 144''</ref>

*Hall reports a collision in '''7''' seconds.<ref>'''Halo: The Fall of Reach''', ''page 149''</ref>

*After the {{UNSCShip|Cradle}} sacrificed itself, the rest of the fleet destroyed '''seven''' Covenant ships with their MAC volley fire.<ref>'''Halo: The Fall of Reach''', ''pages 192-193''</ref>

*Jacob Keyes could only count '''7''' UNSC vessels still intact after the [[Battle of Sigma Octanus IV]].<ref>'''Halo: The Fall of Reach''', ''page 199''</ref>

*When the SPARTANs test the MJOLNIR suit with shields, when John-117 gets ready to go outside there are '''7''' [[Orbital Drop Shock Trooper|ODST]]s standing outside around the tent.<ref>'''Halo: The Fall of Reach''', ''page 257''</ref>

*The {{UNSCShip|Pillar of Autumn}} carried '''7''' [[C709 Longsword-class Starfighter]]s.{{citation needed}}

*'''7''' Covenant frigates were pursuing the ''Pillar of Autumn''.<ref>'''Halo: The Fall of Reach''', Epilogue</ref>

*On page 11 of ''[[Halo: Fall of Reach - Boot Camp]]'', Halsey is seen looking at a hologram of John-117's physique, with a few genes labeling around it. Each of these labels are '''seven''' nucleotides long.

==''Halo: Combat Evolved'' (and ''Halo: The Flood'')==

{{Main|Halo: Combat Evolved|Halo: The Flood}}

|content = [[File:HCE M6D Shichi.jpg|thumb|七, the Chinese character for '''7''', is visible on the [[M6D Personal Defense Weapon System|M6D Pistol]]'s ejection port.]]

*In the first cutscene, [[Cortana]] is confident that the Autumn will destroy 3 covenant ships, but quickly changes her answer to 4. 3+4=7

*Master Chief (and some Marines) board [[SKT-9 Bumblebee|lifeboat]] #52. 5+2='''7'''

*At the beginning of the [[Halo (Halo: Combat Evolved level)|second level]], there are '''seven''' dead bodies around John-117 (six [[UNSC Marine Corps|marines]] and the [[bumblebee|lifeboat]] pilot).

*On the level "[[The Silent Cartographer]]," at [[Bravo 022]]'s crash site, there is a fully loaded rocket launcher (the first in the game) and '''7''' spare rockets.

*At the beginning of "The Silent Cartographer," John-117 stormed the beach with '''seven''' marines.

*There are '''14''' [[Mamua'uda-pattern Shade|Shade]] turrets on the [[campaign]] level ''[[Truth and Reconciliation (level)|Truth and Reconciliation]]''. 14/2='''7'''.

*In the cavern with the bridge in the level "[[Assault on the Control Room]]", there are '''seven''' dead marines as well as some dead Covenant troops.

*[[Installation 04]]'s [[monitor]], [[343 Guilty Spark]] is introduced. His name is derived from the value 343, which equals to '''7'''³.

*There are '''7''' [[blast door]]s leading to the [[Activation index]] in the [[Library]].

*On the level ''[[Keyes]]'', once the Chief gets back into the Gravity Lift bay, there are '''7''' dead Grunts around.

*The [[Proto-Gravemind]] has '''7''' tentacles.

**After destroying the fusion core on the ''Pillar of Autumn'', Master Chief drives a [[M12 Light Reconnaissance Vehicle|Warthog]] through a Class '''7''' service corridor.<ref name="maw">'''Halo: Combat Evolved''', campaign level ''[[The Maw]]''</ref>

**Cortana plans a pick-up from Echo-419 at External Junction 4-C. 4 + 3 (C) = 7

**The last Longsword on the ''Pillar of Autumn'' was in [[Launch Bay 7|Launch Bay '''7''']].{{Ref/Reuse|maw}}

**Cortana's warns the Chief about the gap in the trench starts when he is '''7'''00 meters away from Launch Bay 7.{{Ref/Reuse|maw}}

*On [[Easy]] difficulty, it takes exactly '''7''' shots from a [[Type-25 plasma pistol|plasma pistol]] or a [[Okarda'phaa-pattern plasma rifle|plasma rifle]] to kill a [[Sangheili]].

*It takes at least '''seven''' needles from the [[Type-33 needler|Needler]] to make an explosion.

*On the third page of the manual explaining the HUD (page 15), a screenshot with an explanation of the scope shows '''7''' extra bullets in the sniper rifle.

*In the [[Halo: Combat Evolved: Sybex Official Strategies & Secrets|Sybex official strategy guide]], in the designer tips for one of the multiplayer maps it is said the survival rate on the bottom of the map is around '''7''' seconds<ref>'''Halo: Combat Evolved: Sybex Official Strategies & Secrets''', ''page ??''</ref>

*[[Carol Rawley|Carol "Foe Hammer" Rawley]] is part of a group of '''7''' people (3 pilots, 3 ground crew, and herself) who fled the ''Pillar of Autumn'' by retrieving their Pelicans rather than taking lifeboats.<ref>'''Halo: The Flood''', ''page 31''</ref>

*"Twelve shots rang out, and '''seven''' Grunts fell."<ref>'''Halo: The Flood''', ''page 53''</ref>

*Chapter '''7''' of ''Halo: The Flood'' has the mission time listed as '''7''' cycles ('''49''' units) [[Covenant]] time. 49 = 7²<ref>'''Halo: The Flood''', ''page 177''</ref>

*Silva wishes he had '''7''' Lt. McKay's.<ref>'''Halo: The Flood''', ''page 237''</ref>

*All the terminals' number codes on the Pillar of Autumn have a '''7''' on them.{{citation needed}}

==''Halo: First Strike''==

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*The Covenant flagship ''[[Ascendant Justice]]'' has '''seven''' plasma turrets.{{Ref/Reuse|fs36}}

*After Corporal [[Locklear]] brings the ammo up from the [[Pelican]], there are '''seven''' grenades in the crate.<ref>'''Halo: First Strike''', ''page 53''</ref>

*Cortana describes subsection '''seven''' of the Cole Protocol as the reason they cannot immediately return to Earth aboard ''Ascendant Justice''.<ref>'''Halo: First Strike''', ''page 94''</ref>

*After [[Fred]] and [[Kelly]] steal two [[Wraith]]s, they destroy '''seven''' other Wraiths.<ref>'''Halo: First Strike''', ''page 114''</ref>

*There are '''seven''' doors leading to adjacent offices and surgical bays when Dr. Halsey first enters the medical wing of [[CASTLE Base]].<ref>'''Halo: First Strike''', ''page 122''</ref>

*As she is deleting Araqiel, Dr. Halsey taps the level '''seven''' security barriers.<ref>'''Halo: First Strike''', ''page 127''</ref>

*The ''Ascendant Justice'' exits Slipspace '''seven''' hundred thousand kilometers from the Epsilon Eridani System center.<ref>'''Halo: First Strike''', ''page 154''</ref>

*CPO Mendez was scheduled to meet the Spartans 0'''7'''00 hours after they captured the flag from Tango Company.<ref>'''Halo: First Strike''', ''page 165''</ref>

*There were '''seven''' [[Robotic rover|service drones]] aboard the ''[[Gettysburg]]''.<ref>'''Halo: First Strike''', ''page 208''</ref>

*After John-117 leaves the medical room Dr. Halsey is in, she instructs Cortana to lock the door and "boost counter-intrusion measures to level '''seven'''." <ref>'''Halo: First Strike''', ''page 246''</ref>

*[[Admiral Danforth Whitcomb]] bluffs [[Governor Jacob Jiles]] by saying they had '''7''' working plasma turrets.<ref>'''Halo: First Strike''', ''page 262''</ref>

*The dead crew of the ''Gettysburg'' is placed in cargo bay '''seven'''.<ref>'''Halo: First Strike''', ''page 268''</ref>

*After exiting slipspace in a captured Covenant dropship, the Spartans find themselves near two hundred forty-seven Covenant ships. As they are watching, '''seven''' more appear.<ref>'''Halo: First Strike''', ''page 298''</ref>

*The Master Chief sets his [[Lotus anti-tank mine]] detonator for '''seven''' seconds.<ref>'''Halo: First Strike''', ''page 314''</ref>

*C-'''7''' foaming explosive is used by the Spartans and Locklear.<ref>'''Halo: First Strike''', ''page ??''</ref>

==''Halo: Ghosts of Onyx''==

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* The [[SPARTAN-III program|SPARTAN-IIIs]] of [[Beta Company]] had been launched from [[Slipspace]] '''seven''' hours previous.<ref>'''Halo: Ghosts of Onyx''', ''page 16''</ref>

* '''Seven''' Covenant cruisers appear during [[Operation TORPEDO]].<ref>'''Halo: Ghosts of Onyx''', ''page 22''</ref>

* "'''Seven''' other men sat at a card table, shaking off the effects of the flash-bangs."<ref>'''Halo: Ghosts of Onyx''', ''page 32''</ref>

* "Three hundred Spartans hit the dirt at 0'''7'''00."<ref>'''Halo: Ghosts of Onyx''', ''page 84''</ref>

* The target of [[Operation: PROMETHEUS]] was asteroid [[K7-49|K'''7'''-49]].<ref>'''Halo: Ghosts of Onyx''', ''pages 83-84''</ref> 7²=49

* After two days the Spartan-III's of Alpha Company had managed to disable '''7''' of the reactors.<ref>'''Halo: Ghosts of Onyx''', ''page 85''</ref>

* "On day '''seven'''," the Admiral said, "additional Covenant reinforcements arrived."<ref>'''Halo: Ghosts of Onyx''', ''page 86''</ref>

* Kurt trained the Spartan-III's of Alpha Company for '''7''' years.<ref>'''Halo: Ghosts of Onyx''', ''page 87''</ref>

* "We are presently '''seven''' kilometers over the planet's surface," the AI said.<ref>'''Halo: Ghosts of Onyx''', ''page 161''</ref>

* Before casualties, there were '''7''' active Spartan-III's on Onyx ([[Tom]], [[Lucy]], and Team Saber).{{citation needed}}

* "What [[Sangheili]] Major would dare disobey a [[Ship Master]] who had led '''seven''' glorious campaigns against their enemies?" <ref>'''Halo: Ghosts of Onyx''', ''page 189''</ref>

* After boarding [[Bloodied Spirit]] Fred's MJOLNIR suit has only '''seven''' minutes of air remaining.<ref>'''Halo: Ghosts of Onyx''', ''page 218''</ref>

* When Bloodied Spirit is attacked by Onyx Sentinels, the Sentinels move into lines of '''seven'''. '''Seven''' of these lines then combine into an elongated triangle and fire.<ref>'''Halo: Ghosts of Onyx''', ''page 232''</ref>

* Chapter 27 begins at the '''seventh''' cycle, 49 units, Covenant time. 7²=49.

* The [[Unggoy]] [[Kwassass]] had served '''seven''' years in the Covenant.<ref>'''Halo: Ghosts of Onyx''', ''page 236''</ref>

* The structure where the Spartans land is a '''seven'''-sided faceted dome with '''seven''' arches.<ref>'''Halo: Ghosts of Onyx''' ''page 270''</ref> Inside are '''seven''' flat surfaces, each the size of carrier landing decks.<ref>'''Halo: Ghosts of Onyx''' ''page 271''</ref>

* "It will take '''seven''' minutes in this orbit to cover that area."<ref>'''Halo: Ghosts of Onyx''', ''page 291''</ref>

* "'''Seven''' MAC rounds struck the two lead destroyers in the Covenant line..." <ref>'''Halo: Ghosts of Onyx''', ''page 297''</ref>

* "The bulbous hull of a Covenant Seraph single ship appeared, then another Seraph appeared, then '''seven''' more..." <ref>'''Halo: Ghosts of Onyx''', ''page 305''</ref>

* "The '''seven''' Sentinels adjusted their aim and their spheres glowed red, amber, and then glistening gold."<ref>'''Halo: Ghosts of Onyx''', ''page 321''</ref>

* Dr. Halsey said the portal would close in 1 hour, 17 minutes, this is equal to '''77''' minutes.<ref name="goo311">'''Halo: Ghosts of Onyx''', ''page 311''</ref>

* The teleportation pads around Onyx are '''seven'''-sided.{{Ref/Reuse|goo311}}

* "Shockwave from surface detonation impacting far side of the moon in '''seven''' seconds," Durrono said.<ref>'''Halo: Ghosts of Onyx''', ''page 378''</ref>

==''Halo 2''==

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* In the [[Halo 2 announcement trailer]], when Master Chief walks in to hangar and launches himself into space, above the door to the hangar is labelled "A-0'''7'''".  

* There is a faint '''7''' on the MJOLNIR Mark IV helmet.{{verify}}

* There is a clearly visible '''7''' scratched into the left cheek of [[Miranda Keyes]].

* Sergeant [[Banks]]' communicator is engraved with the Hindi word for '''7''', written in the Hindi script.

* When the {{UNSCShip|In Amber Clad}} was in the Battle of Earth numerous units from the '''77'''th Marine Regiments are on board.

* The ODSTs seen in-game belong to the [[7th Shock Troops Battalion|'''7'''th Shock Troops Battalion]].

* There is a '''7''' on the lower part of a Pelican's ramp.

* [[Installation 05]]'s monitor, [[2401 Penitent Tangent]] is introduced: 2401 is '''7'''⁴. It can also be read as 2+4+0+1='''7'''.

* The [[Gravemind]] speaks mostly in heptameter, a poetic style with '''7''' meters per line.

* In ''Halo 2'', there are '''7''' Covenant races seen: [[Unggoy]], [[Kig-yar]], [[Yanme'e]], [[Mgalekgolo]], [[Jiralhanae]], [[Sangheili]], and [[San'Shyuum]].

* In ''Halo 2'', there are '''7''' Covenant vehicles: Ghost, Spectre, Wraith, {{Pattern|Ruwaa|Shadow}}, Banshee, [[Kez'katu-pattern Phantom|Phantom]] and the [[Protos-pattern Scarab|Scarab]].

* The symbol on the Banshees' wings is made up of '''7''' red blocks.

* '''7''' hexagons make up the zoomed targeting reticule of the [[Vostu-pattern carbine|Covenant Carbine]].

* Firing the {{Pattern|Okarda'phaa|plasma rifle}} until it overheats will drain '''7''' power units, assuming it is not burst fire.

* Firing the [[Sentinel beam]] until it overheats will leave a remaining charge of '''77'''.

* There are '''7''' drivable vehicles in the game: the [[M808B Main Battle Tank|Scorpion]], [[Zurdo-pattern Wraith|Wraith]], [[Wuzum-pattern Spectre|Spectre]], [[M12 Light Reconnaissance Vehicle|Standard Warthog]], [[M12G1 Light Anti-Armor Vehicle|Gauss Hog]], [[Type-32 Rapid Assault Vehicle|Ghost]], and [[Type-26 Ground Support Aircraft|Banshee]].

* In the [[Halo 2 (Windows Vista)|''Halo 2'' for Windows Vista]], the "[[Silent But Deadly]]" [[Achievement]] requires the player to kill '''7''' enemies from behind without being spotted.

* The player fights in '''7''' levels as the Master Chief: ''[[Cairo Station]]'', ''[[Outskirts]]'', ''[[Metropolis]]'', ''[[Delta Halo]]'', ''[[Regret]]'', ''[[Gravemind (level)|Gravemind]]'' and ''[[High Charity (level)|High Charity]]''.

* [[Cairo Station (station)|Cairo Station]]'s serial number '''ODA-142''' contains a possible '''7''' reference (1+4+2='''7''').  

* The {{UNSCShip|In Amber Clad}}'s [[Hull Classification Symbol]] is '''FFG-142''', which is a possible '''7''' reference. (1+4+2='''7''').

* The Covenant [[antimatter charge]] that was brought onboard Cairo Station took '''7''' seconds to detonate.<ref>'''Halo 2''', campaign level ''[[Cairo Station]]''</ref>

* In ''[[Outskirts]]'', a sign bearing the number '''7''' can be found nailed to the wall near the [[Halo 2 skulls#Blind|Blind Skull]].

* On ''Outskirts'', in the small dark room where the [[Halo 2 skulls#I Would Have Been Your Daddy (IWHBYD)|IWHBYD skull]] is located, there is a number '''7''' on the wall.

* To obtain the IWHBYD skull, one must face '''7''' waves of Sangheili Ultra, with '''7''' Sangheili in the '''7th''' wave.

* In the level ''Outskirts'', there is a total of '''7''' Shadows.

* There are '''7''' Phantoms in the levels ''Outskirts'' and ''Metropolis'' combined.

* Throughout the levels ''Outskirts'' and ''Metropolis'' the player can find numerous cases of [[VX 7 nerve gas|VX '''7''' nerve gas]].

* There are '''7''' levels of caskets in the [[Mausoleum of the Arbiter]].<ref>'''Halo 2''', campaign level ''[[The Arbiter]]''</ref>

* In the level [[Delta Halo]] there are '''7''' dead ODSTs scattered throughout the level.

* In a deleted scene, a longer version of the cutscene at the start of ''Sacred Icon'', Truth and the Arbiter were viewing '''7''' murals that showed how the Covenant had grown.

*In the level [[Sacred Icon]] there is a hidden [[Type-33 needler|needler]] in the room where the player encounters the first [[Enforcer Sentinel|enforcer sentinel]]; this needler has 1 round loaded with 6 rounds in reserve. Totaling '''7''' rounds.  

* In the campaign level ''Gravemind'', Cortana picks up a total of '''7''' [[Identification friend or foe|IFF transponders]]: the five Marines, [[Avery Johnson]], and Miranda Keyes.

* John-117 faces '''7''' pairs of [[Mgalekgolo]] in the campaign level ''Gravemind''.

* In the level ''[[The Great Journey]]'' there are '''7''' [[Eeo'Pimu-pattern Shade|Shade turrets]].

* At the end of the credits the "t" is replaced with a '''7''' in the sentence "And a whole load of people we didn't get time to 7hank".

* The phone booths on [[Terminal (map)|Terminal]] are all numbered '''7'''.

* The multiplayer map ''Terminal'' has a large '''7''' on the station building.  

* The Broadcasting station for the multiplayer map ''Terminal'' is [[Channel 7]].

* On ''[[Headlong]]'', near the bridge which connects to the Needler Building, there is a piece of paper with the number '''7''' pinned on the wall.

* In ''Headlong'' the number '''7''' is nailed by the side of the door on the building that contains the [[Type-1 Energy Weapon/Sword|Energy Sword]].

* On the level ''Zanzibar'', the Xbox's clock must be on '''7''':0'''7''' for the player to see the [[Zanzibar Easter eggs|Easter egg of Ling-Ling's head]].

== ''Halo 3'' ==

* In the background of the [[Halo 3 Collector's Edition|Collector's Edition]] of Halo 3, the door behind the Chief has a '''7''' written on it.

* There are '''7''' scoped weapons: [[BR55HB battle rifle|Battle Rifle]], [[Sniper Rifle System 99D-S2 Anti-Matériel|Sniper Rifle]], [[Sulok-pattern beam rifle|Beam Rifle]], [[Vostu-pattern carbine|Covenant Carbine]], [[Rocket Launcher|M41 Surface-to-Surface Rocket Medium Anti-Vehicle/Assault Weapon]], [[Pez'tk-pattern fuel rod gun|Fuel Rod Gun]], and [[M6 Grindell/Galilean Nonlinear Rifle|Spartan Laser]].

* A UNSC Marine remarked, “The casing is constructed of an unusual porous metallic compound. Shrapnel from the [[Type-2 Antipersonnel Fragmentation grenade|Spike Grenade]] reaches a temperature of approximately 270 to 315°C and retains that heat for upwards of '''seven''' seconds. By design.” <ref>[http://halo.bungie.net/News/content.aspx?type=topnews&link=BAGBruteGrenade '''Bungie.net''': ''Type-2 Antipersonnel Fragmentation Grenade'']</ref>

* The {{UNSCShip|Forward Unto Dawn}} has the number '''7''' on the front of it.

* There are '''7''' levels that the [[Character interludes|Cortana and Gravemind Moments]] occur.

* There are '''7''' [[Forerunner]] [[Terminal (Halo 3)|terminals]] in total within the campaign. Finding all '''7''' terminals unlocks the [[Marathon Man]] achievement.

* The [[Anodyne Spirit|Forerunner Dreadnought]] has 14 x 14 x 14 dimensions. 14 = '''7'''+'''7'''.{{citation needed}}

* In the level ''[[Crow's Nest]]'', in the ops center, the emergency power generators on the far side of the room, where one needs to go to get the Black Eye Skull, have the writing "EPG 2401": 2401 is '''7'''⁴.

* There are '''seven''' pallets on the pathway with the [[LAU-65D/SGM-151|missile pods]] on the level ''The Storm''.

* The are '''seven''' pipes the player can walk into on the lake bed where the Scarab was fought.

* In the room with [[Installation 00]]'s Cartographer, there are '''7''' trapezoids above the doors.

* In the opening sequence of the level ''[[The Covenant (level)|The Covenant]]'', there are '''7''' drop ships: 5 [[Pelicans]] and 2 [[Phantoms]].

* There are '''7''' [[Jiralhanae Chieftain]]s and [[Jiralhanae War Chieftain]]s combined in the level ''The Covenant''.

* In the level ''The Covenant'', there are '''7''' [[Sangheili]] assisting the UNSC forces (excluding the [[Thel 'Vadam]], [[N’tho ‘Sraom]], and [[Usze ‘Taham]]).

* There are '''7''' [[Gravemind]] moments on the level ''[[Cortana (level)|Cortana]]''.

* Deaths that do not require two people have a '''seven''' second respawn when no other penalties are active.

* All of the computers placed in [[Forge]] display a very hard to read paragraph. However, it is easy to make out several 0''''7'''s in the writing.

* ''[[Cold Storage]]'' is the '''seventh''' downloadable ''Halo 3'' map, and was released on [[Bungie Day]] ('''7'''/'''7''').

* In the [[Cold Storage#Transmission|Cold Storage Transmission]] the time elapsed since an outside agent accessed the delta site has an approximate '''seven''' year margin of error.

* The Multiplayer map ''Epitaph'' has '''7''' hologram projectors, 6 minor ones and a Guardian Sentinel resembling projector.

* There are '''seven''' pieces of grating involved with the missile launcher scenery on ''[[High Ground]]'' (including the one placed under the aiming machine).

* In ''Halo 3'' and all subsequent mainline games after it, players have 115 hit points: 45 [[health]] points and 70 [[Energy shielding|shield]] points. 1 + 1 + 5 = '''7''', 70 ÷ 10 = '''7'''.

==Cortana Letters and Transmissions==

*Cortana sends eight emails. But [[Cortana Letters#Third Letter|Letter Three]] was likely never intended, so seven messages were planned.

 

==i love bees==

{{Scrollbox

*When the [[Apocalypso]] crashes, all communications in the solar system are disabled for about '''seven''' seconds.

*When players unlocked '''777''' axons, a voice-actor playing [[Melissa (AI)|Melissa]] joined the game.

*When [[Kamal Zaman]] accesses his voice mail, he has '''seven''' old messages.

*Hiro, reading a how-to book on dating, tells Kamal to skip to chapter '''seven'''.

*A part of the game had players guiding the [[Melissa (AI)|Sleeping Princess]] out of her "glass coffin", a prison in her mind appearing as a story-tale world. Players would have to guide her down various paths marked by signs with unusual markings. The correct paths are ''Deadly Sins'' (there are seven), ''Waves'' (seven seas), and ''Skinny Cow and Fat Cow'' (in the Bible, the Pharaoh had a dream about seven skinny cows that ate seven fat cows).<ref>'''[[Perdita's Story]]'''</ref>

*When [[Rani]] tries to start a [[chatter]] business with a friend [[Trevor]], their equipment only manages to produce 49. 49='''7'''²

**Rani leaves with 14. 14/2='''7'''

**Trevor planned to make chatters for '''7'''% of what they cost in convenience stores.

*As of 2004, [[Aunt Margaret]] had been beekeeping for '''seven''' years.

*[[Yasmine Zaman]]'s augmentations are performed in Lab '''7'''.

*Yasmine Zaman washed out of the Spartan II program at age 14. 14/2=7

*Later, George Shebura received "'''7''' more parking tickets" in one week.

*[[Hiro]] tells Kamal "that's like the '''seventh''' time today you've refused to answer your chatter."

*Durga analyzed Jersey's food-buying habits over the last '''7''' months.

==''Halo: Contact Harvest''==

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*There were '''seven''' [[space elevator]]s of the [[Tiara]].<ref>'''Halo: Contact Harvest''', ''page 66''</ref>

*'''Seven''' main maglev train lines led out from each base of the space elevators.<ref>'''Halo: Contact Harvest''', ''page 76''</ref>

*Prophet Senior Ministry staffers could manage to travel in their [[anti-gravity chair]]s in groups as small as '''seven'''.<ref>'''Halo: Contact Harvest''', ''page 149''</ref>

*During the evacuation of Harvest, [[Loki]] changed the five minute interval for the containers to '''seven''' minutes.<ref>'''Halo: Contact Harvest''', ''page 354''</ref>

*The first space elevator to collapse was the '''seventh''' elevator.<ref>'''Halo: Contact Harvest''', ''page 371''</ref>

*[[Sif]]'s electronics were stored in '''seven''' towers in the Tiara's control room.<ref>'''Halo: Contact Harvest''', ''page 309''</ref>

*First contact with the Covenant was made on January 17, 2525, i.e. 1/17/2525. 1 x 1 x 7=7. 2+5=7.

==''Halo: The Cole Protocol''==

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*'''Seven''' ODSTs were killed during the attack on the [[Redoubt]].

==''Halo Wars''==

{{Main|Halo Wars}}

*In ''Halo Wars'', both the [[Firebase#Fortress|UNSC Fortress]] and [[Citadel (Covenant)|Covenant Citadel]] possess '''7''' expansion sockets.

*In the beginning of level ''[[Relic Approach]]'', the lockdown on the [[Alpha Base (Harvest)|Alpha Base]] will not end and the main gate will not open until the player trains five more squads of marines, bringing the total to '''seven'''.

*When playing on [[Easy]] or [[Normal]] the player begins the level ''[[Arcadia City]]'' with '''seven''' units: six Hornets and [[John Forge|Sergeant Forge]].

*The player begins the level [[Scarab (level)|Scarab]] with exactly '''seven''' units: 2 [[M145D Mobile Artillery Assault Platform|Rhinos]], 2 Marine squads, 1 Scorpion, 1 Warthog, and Sergeant Forge.

*There are '''7''' power nodes that you can destroy to make the Super Scarab's searchlight move slower on the level ''Scarab''.

*The player begins the level ''[[Beachhead (Halo Wars level)|Beachhead]]'' with exactly '''seven''' units: 4 ODST squads, 1 [[Hellbringer]], Sergeant Forge, and [[Ellen Anders|Professor Anders]].

* The cryo pods in the last cutscene are row 3 and 4. 3+4=7

*Following the events aboard the {{UNSCShip|Prophecy}}, [[Sergeant]] [[John Forge|Forge]] required '''seven''' doses of anti-radiation treatment.<ref>'''[[Halo Wars: Genesis]]'''</ref>

==''Halo 3: ODST''==

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* At approximately 10 seconds into the ''ODST'' trailer there are '''7''' [[Single Occupant Exoatmospheric Insertion Vehicle|SOEIV]]s burning in the atmosphere.

* In the Keep it Clean trailer, it takes the [[Superintendent]] '''7''' camera views to chronicle the Rookie's SOEIV pod crashing.

* In the Keep It Clean trailer, there are '''seven''' Jiralhanae in the Covenant patrol.

* In the Keep It Clean trailer, [[Prepare To Drop (music)|the soundtrack]] that plays is '''77''' seconds long or 1:17 minutes long, a '''seven'''/SPARTAN-117 reference.

* The Superintendent will change his face '''7''' times during the trailer (including its beginning emotion).

* There are '''7''' protagonists in ''Halo 3: ODST''.

* There are '''7''' [[M313 Heavy Recovery Vehicle#Olifant|Olifants]] in the game, including the destroyed ones.

* There are at most '''7''' supply caches available to the Rookie in the level ''[[Mombasa Streets]]''.

* Several screens which the Superintendent uses to direct the player in ''Mombasa Streets'' feature the numbers "'''49'''.2.'''7'''" before switching as the player gets close.

* The watchtower of the bridge outside the [[ONI Alpha Site (location)|ONI Alpha Site]]'s compound is number '''07'''.

* There are '''7''' pairs of bridge supports between the two ends of the bridge outside the ONI Alpha Site.

* The landing pad on the roof of the ONI building has the number 43 on it, (4 + 3 = '''7''').

* In the beginning of the level ''[[Data Hive]]'', the Rookie starts on Sublevel 7.

* The number of the Olifant used by [[Veronica Dare]] and the [[Quick to Adjust|Huragok]] containing [[Vergil]] is 49, or '''7'''².

* In the ending cutscene of [[Coastal Highway (level)|Coastal Highway]] there are '''7''' Covenant cruisers above New Mombasa.

* In the [[Legendary]] Epilogue cutscene, there are '''7''' [[Huragok]] looking down into the Forerunner structure.

* In [[Firefight (Halo 3: ODST)|Firefight]], the player starts out with '''7''' lives.

* In the Firefight, there is a total of '''7''' gold skulls.

* Several license plates on vehicles add up to a total sum of '''7'''.

* There are '''7''' playable characters in Firefight, including Sergeant Johnson.

* In the side-story in the game, ''[[Sadie's Story]]'', the number of the train [[Sadie Endesha]] boards at the very beginning is 14, or '''7'''x2.

* In the side-story in the game, ''Sadie's Story'', Dr. [[Daniel Endesha]] sees '''7''' Huragok who escaped the Covenant.

== ''Halo: Evolutions - Essential Tales of the Halo Universe'' ==

{{Main|Halo: Evolutions - Essential Tales of the Halo Universe}}

=== Midnight in the Heart of Midlothian ===

{{Main|Midnight in the Heart of Midlothian}}

* [[Sergeant]] [[Michael Baird]] found fourteen terabytes of information on [[cancer]] using [[Shipnet]]. 14/2='''7'''

* [[Mo Ye]]'s initial plan was to have Baird drive the ship into a red giant fourteen million miles starboard. 14/2='''7'''

* When Baird first exited the medbay he ran into '''seven''' Covenant soldiers (4 Unggoy, 2 Kig-yar, and 1 Elite).

{{Main|Headhunters (short story)}}

=== The Mona Lisa ===

{{Main|The Mona Lisa}}

* A Sangheili combat form was brought down "not '''seven''' meters from them."<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''', ''"The Mona Lisa"'', ''page 313''</ref>

{{Main|Palace Hotel (short story)}}

* John-117 fights alongside members of the [[Eridanus II]] [[E2-BAG/1/7|First Battalion, '''Seventh''' Regiment]].

* John-117 was less than '''seven''' meters from a [[Kig-Yar]] when its head snapped to the side.<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''', ''page 355''</ref>

* The report [[Historical/Psychological Analysis of Cole, Preston J.]], the fictional framing of the story, has '''seven''' numbered sections.

* [[Preston Cole]] was one of '''seven''' children (four boys and three girls).

* Preston Cole's student ID account was 00034. 0+0+0+3+4=7.

* [[Ensign]] [[Alexis Indara]] begins management training (Series '''7''') following the [[CMA Season of Plenty|CMA ''Season of Plenty'']]'s bi-annual personnel review.

* Cole was called before a Board of Inquiry at the [[Academy at Mare Nubium]] on June '''7''', 2492.

* The [[UNSC Destroyer]]s which participated in the [[Callisto Incident]] in [[2494]] carried only '''7''' [[Ares Missile]]s.<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''', ''page 439''</ref>

* During the [[Skirmish at Theta Ursae Majoris]] the {{UNSCShip|Gorgon}} had '''seven''' Pelicans on standby.

* "The scattered debris of '''seven''' destroyers, however, continued on their previous trajectories."<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''', ''page 464''</ref>

* The [[Monument to Noble Team]] is composed of 54,439 individual points of light. (54,439=7*7777)

* The ''Halo: Reach'' limited edition Xbox 360 controller and wireless headset are both marked with the requisition number <nowiki>"//65|59_234|97///"</nowiki>. On the headset, directly before the requisition code, is a larger number 7.

* [[Jorge-052]]'s Spartan tag is a reference to the number 7. 0+5+2='''7'''

* [[Emile-A239]]'s Spartan tag is another reference to seven, 2+3+9=14, 14/2='''7'''.

* The serial number of a [[UH-144 Falcon]] is 1611513214. (1+6+1+1+5+1+3+2+1+4=25, 2+5='''7''')

* [[Anchor 9]] is armed with '''7''' [[Point Defense Gun]]s.

* In the beginning of the level ''[[Nightfall]]'' there is a poster in the first building with 35 black-colored people and 1 red-colored person on it. The red person is on the bottom row '''7''' places from the left. 35/5=''''7'''.

* The player begins the level ''[[Exodus]]'', with 25 extra Magnum rounds. (2+5='''7''') In addition, there are '''7''' rounds left in the starting clip.

* The ending cutscene of the level "Lone Wolf" take place on July '''7'''th, 2589. July is the '''7'''th month of the year. This is also a reference to [[Bungie Day]]. The year is also a seven reference: 2+5='''7'''; 8+9=17, 1x7='''7'''.

* On the level [[Long Night of Solace (level)|Long Night of Solace]], the Stage separation when [[FSS-1000 Sabre]] is launching into space was completed in 7 seconds.

* Halsey refers to the piezoelectric effect as a '''7'''00+-year-old technology.<ref>'''Dr. Halsey's personal journal''' - ''July 30th, 2511''</ref>

* On July 29, [[2549]] Halsey states "Only '''seven''' weeks to the completion of my personality transfer."<ref>'''Dr. Halsey's personal journal''' - ''July 29th, 2549''</ref>

* Cortana was activated November '''7''', [[2549]] or 11/7/49.<ref>'''Dr. Halsey's personal journal''' - ''November 7, 2549''</ref> 49='''7'''² The month and day date may also be a reference to John-117's service number.

* Miranda Keyes was decorated for her actions aboard the {{UNSCShip|Hilbert}} at the [[Battle of Gamma Pavonis VII|Battle of Gamma Pavonis-'''VII''']].

* There are a total of '''7''' blank pages at the end of Halsey's journal.

== ''Halo: Combat Evolved Anniversary'' ==

* All the references from the original game apply here.

* The player has to escape the [[Flood containment facility]] within 21 minutes to get the [[Breaking Quarantine (achievement)|Breaking Quarantine]] achievement. 21 ÷ 3 = '''7'''.

* The [[Anniversary Map Pack]] released with the game is made up of '''7''' maps.

* The '''Anniversary Map Pack''' includes '''7''' achievements.

* The ''[[Halo: Combat Evolved Anniversary]]'' manual has '''7''' pages excluding the front and back covers.

* Cortana mentions that UNSC AIs are supposed to operate for '''seven''' years and she has operated for eight.

* [[Jul 'Mdama]]'s [[Jul 'Mdama's Covenant|Covenant]] appears in '''7''' levels of the game.

* There's '''seven''' [[Terminal (Halo 4)|Terminals]] in which the [[Forerunner]]s are the protagonists.

* All of the [[M808 Scorpion|Scorpions]] in the game bear the number 0383. 0 + 3 + 8 + 3 = 14, 14 ÷ 2 = '''7'''.

* John-117's cryo chamber is designated "16". 1 + 6 = '''7'''.

* John-117 is awakened by Cortana on July 21st 2557. 21 ÷ 3 = '''7'''. July is also the '''seventh''' month of the Gregorian calendar.

* The [[MA5D assault rifle|Assault Rifle]] can carry up to '''7''' spare mags.

* The [[Z-130 Suppressor|Suppressor]] can hold up to '''7''' total mags (6 spare + 1 active).

* The [[Vostu-pattern carbine|Carbine]] can kill in '''7''' headshots.

* In ''[[Dawn]]'', there are '''seven''' Covenant ships in front of Requiem that are visible.

* [[Cortana]] tells John-117 that he has been in cryosleep for 4 years, '''7''' months, and 10 days. 4 + 7 + 10 = 21, 21 ÷ 3 = '''7'''.

* In ''[[Requiem (level)|Requiem]]'', John's [[M6H magnum]] starts with 28 (7 active + 21 reserve) rounds. 28 ÷ 4 = '''7'''.

* In the level ''[[Forerunner (level)|Forerunner]]'', Captain Del Rio can be heard ordering his officers to "increase [Infinity's] speed by point '''seven'''."

* When the ''Infinity'' is pulled into Requiem, Cortana calculates its impact site will be '''77'''.8 kilometers away from them.

* Pelican ''[[Papa Foxtrot 766]]'' is designated "[[Gypsy Company|Gypsy]] '''Seven'''".

* The ''[[Ivanoff Station]]'' hangar bay John-117 secures is hangar bay '''7'''.

* ''Ivanoff Station'' has '''7''' excavation-grade [[HAVOK tactical nuclear weapon|mines]].

* In ''[[Composer (level)|Composer]]'', Cortana captures [[Sandra Tillson]]'s biosignature at 350-level, B deck. 350 ÷ 50 = '''7'''.

* In ''[[Midnight]]'', '''seven''' Cortana avatars attack the Didact.

* '''Seven''' missions have the assault rifle as a starting and usable weapon.

* There are '''seven''' available Forerunner weapons (including grenades and excluding [[Z-510 focus turret|turrets]]):

** [[Z-110 Boltshot|Boltshot]]

** [[Z-250 lightrifle|LightRifle]]

** [[Z-180 Scattershot|Scattershot]]

** [[Z-750 binary rifle|Binary Rifle]]

** [[Z-390 incineration cannon|Incineration Cannon]]

** [[Z-040 pulse grenade|Pulse Grenade]]

* There are '''seven''' [[armor abilities]] usable in the campaign:

** [[Type-3 active camouflage|Active Camouflage]]

** [[Z-90 hardlight shield|Hardlight Shield]]

** [[Z-2500 autosentry|Autosentry]]

** [[Z-5080 Promethean vision|Promethean Vision]]

** [[Series 12 jetpack|Jetpack]]

** [[M805X thruster pack|Thruster Pack]]

* On Requiem, there are multiple known named [[D79-TC Pelican|Pelicans]], two of which include ''[[Pelican 653|653]]'' and ''[[Pelican 595|595]]''. 6 + 5 + 3 = 14, 14 ÷ 2 = '''7'''. 595 ÷ 85 = '''7'''.

 

== ''Halo: Uprising'' ==

* In [[Halo: Uprising Issue 3|Issue #3]], a UNSC Marine designated [[Blue Leader]] contacts "Site Seven" to establish connection to command.

== ''Halo Legends'' ==

{{Main|Halo Legends}}

There are '''7''' different anime shorts in ''Halo Legends''.

There is a '''7''' in the sky just before the battle in the desert.

* '''7''' residents of planet [[Cronkee]] are spoken of in the episode, including the AI "[[Mama]]" and the dinosaur.

* The UNSC ship at the beginning of the episode is numbered "993". The average of these three numbers is '''7'''.

* When Frederic-104, Kelly-087, and John-117 enter the ''[[Resplendent Fervor]]'', Kelly says, "We got three minutes", indicating that the space battle lasted '''7''' minutes in their 10 minutes mission time.

* The battle between John-117 and [[Thel 'Lodamee]] lasts '''7''' seconds.

[[Ralph-103]] mentions to [[Daisy-023]] that it has been '''7''' years since they were abducted to participate in the [[SPARTAN-II program]].

 

== ''Halo: Cryptum'' ==

{{Main|Halo: Cryptum}}

* '''7''' humans belonged to the crew that assisted [[Bornstellar Makes Eternal Lasting]] in inevitably finding the Cryptum of the Didact.<ref>'''Halo: Cryptum''', ''page 26''</ref>

==''Halo: Glasslands''==

* [[Catherine Halsey|Dr. Halsey]] remarks her old age by reminiscing that she is no longer twenty-one years of age. 21/3='''7'''<ref>'''Halo: Glasslands''', ''page 14''</ref>

* The completion of the [[SPARTAN-II augmentation procedures]] could not be performed until candidates were 14 years of age. 14/2='''7'''<ref>'''Halo: Glasslands''', ''page 109''</ref>

* [[New Llanelli]] was glassed '''7''' years before the [[Human-Covenant War]] ended, as remarked by [[Tom Muir]], who complains that the [[UNSC]]'s presence during the events of ''Halo: Glasslands'' were '''7''' years too late.<ref>'''Halo: Glasslands''', ''page 133''</ref>

* [[Lucy-B091]] suffered from a [[Post-traumatic vocal disarticulation|speech impediment]] for '''7''' years.<ref>'''Halo: Glasslands''', ''page 99''</ref>

* Lucy referred to Morse code as a "simple, '''seven'''-hundred-year-old system of on-off signals.<ref>'''Halo: Glasslands''', ''page 123''</ref>

* Mal noted seeing a lot of glassed planets in the last fourteen years. 14/2='''7'''<ref>'''Halo: Glasslands''', ''page 153''</ref>

* Fred and Mendez go up '''seven''' floors in the Forerunner elevator.<ref>'''Halo: Glasslands''', ''page 243''</ref>

* At the [[Voi Memorial]] ceremony, Malcolm Geffen and the other Kilo-Five ODSTs wore their dress uniforms for more than '''seven''' hours.<ref>'''Halo: Glasslands''', ''page 415''</ref>

== ''Halo: Primordium'' ==

* As Chakas and [[Vinnevra]] visit a crashed Forerunner escape pod, Chakas counts the partial remains of about '''7''' dead Forerunners.<ref>'''Halo: Primordium''', ''page 50''</ref>

* The Forerunner [[Lifeworker]] [[Genemender Folder of Fortune]] is said to have '''7'''-fingered hands.<ref>'''Halo: Primordium''', ''page 166''</ref>

* The victorious Forerunner assault on the [[Prehistoric human civilization|humans]] at [[Charum Hakkor]] were staged of '''7''' [[slipspace portal]]s.<ref name="pri240">'''Halo: Primordium''', ''page 240''</ref>

* '''7'''000 human warriors and '''7'''0 human vessels were assigned to protect the [[Time bolt|timelock]] that contained [[the Timeless One]].{{Ref/Reuse|pri240}}

* The flashbacks of [[343 Guilty Spark]], formerly known as [[Chakas]], primarily take place on [[Installation 07]], one of the '''7''' Halo rings.<ref>'''Halo: Primordium''', ''page 374''</ref>

* During a survey of a star system in Path Kethona, ''Audacity''<nowiki>'</nowiki>s sensor readings are disrupted by unknown objects less than '''seven''' hundred million kilometers from the star.<ref name="s113">'''Halo: Silentium''', ''page 113''</ref>

* The fifth planet in the star system investigated by the ''Audacity'' is surrounded by '''seven''' rings of icy debris.{{Ref/Reuse|s113}}

* Among the ancient Forerunner warships are what the Librarian assumes may be classified as sixth- or '''seventh-''' order ships.{{Ref/Reuse|s120}}

* [[Requiem]] is orbited by '''seven''' ice-covered resource planetoids.<ref>'''Halo: Silentium''', ''page 279''</ref>

== ''Halo: Escalation'' ==

{{Main|Halo: Escalation}}

* In the beginning of Issue #1, [[Fireteam Jackknife]] and Sarah Palmer are seen following a [[lance]] of '''seven''' Covenant members (three Unggoy, three Sangheili, and one Kig-Yar).

* At the end of the [[Battle of Ealen IV]] in Issue #3, a total of '''seven''' [[SPARTAN-IV program|SPARTAN-IVs]] die.

* Issue #7 reveals that '''seven''' million people died in the [[New Phoenix Incident]].

* '''Seven''' Sangheili are killed during the [[Battle of Anvarl]].

* The Refuge/Broken Circle is divided into '''seven''' sections.

==''Halo 2: Anniversary''==

{{Main|Halo 2: Anniversary}}

* The Arbiter's armor has 14 identical segments per arm. (14 ÷ 2 = 7)

* The Arbiter's boots have 7 segments each.

==''Halo: Nightfall''==

== ''Halo 5: Guardians'' ==

* There are 117 pieces of intel to collect. 1 × 1 × 7 = '''7'''.

* Limited and Limited Collector's Editions came with 14 [[Warzone]] REQ packs, 2 of which were released per week, for '''7''' weeks total.

* One of the original Warzone maps is called [[Raid on Apex 7|Raid on Apex '''7''']].

* The Maps [[Battle of Noctus]] and [[Urban]] are set on sector '''07''' in the city of [[Noctus]], in the planet [[Andesia]].

* [[Meridian]] is the '''7th''' satellite orbit of Hestia V.

** Many facilities on Meridian, including the garage holding the [[M820 Scorpion|Scorpion]] that Osiris obtains with the help of [[Sloan|Governor Sloan]] during the mission ''[[Glassed]]'', are designated with the number 14. 14 ÷ 2 = '''7'''.

* The [[Type-56D needler|Needler]]s and ''[[White Scar]]''{{'}}s needles supercombine in '''7''' rounds, much like the [[Type-33 needler|Needler]] from ''Halo: Combat Evolved'' and ''Halo 3''.

*** ''[[Reunion]]'' (''[[Talon of the Lost]]'', ''[[Pool of Radiance]]'', ''River of Light'', ''[[Twin Jewels of Maethrillian]]'')

*** ''[[The Breaking]]'' (''[[Didact's Signet]]'')

* 14 of the 15 campaign missions in the game feature at least one Covenant weapon. 14 ÷ 2 = '''7'''.

* '''7''' of the 8 playable characters in the campaign have [[M9 frag grenade]]s and at least one precision weapon (e.g. [[M6H magnum#M6H2 Personal Defense Weapon|M6H2 magnum]], [[M395 DMR#M395B Designated Marksman Rifle|M395B DMR]]) included in their loadout.

* '''7''' of the 8 playable characters each say one of two different lines when [[assassination|assassinating]] an enemy.

* There are '''7''' [[List of REQ cards#Armor Mods|Armor Mods]] used by the playable characters in the campaign:

* '''7''' of the 8 playable campaign characters have their armors unlockable and wearable by Spartan-IVs, with different armor textures for Spartan-IVs:

* The Flaming knives on Osiris easter egg on the mission ''Osiris'' involves '''seven''' combat knives that must be shot.

* The par time of the mission ''Guardians'' is 28 minutes. 28 ÷ 4 = '''7'''.

* ''The Answer'' [[M739 SAW|SAWs]] can have up to 3.5 spare clips. 3.5 × 2 = '''7'''.

* The M57 Pilum Assault Weapon, also known as the Rocket Launcher, has a firing rate of 63 RPM and a reload time of 4.2 seconds. 63 ÷ 9 = '''7''', 4.2 ÷ 0.6 = '''7'''.<ref name="Aozolai M57">[https://www.youtube.com/watch?v=5QMOcvrSmrY '''YouTube''' - ''Halo 5 | M57 Rocket Launchers Analysis'']</ref>

** This requires a total of 840,000 RP. 84 ÷ 12 = '''7'''.

== ''Halo Wars 2'' ==

* In the level ''[[From the Deep]]'', there are '''7''' watchtowers stationed around the map.

* On the level ''[[Lights Out]]'', Jerome starts with '''7''' units.

* There are '''7''' Marines and '''7''' Hellbringers at the start of the level ''[[Last Stand (Halo Wars 2 level)|Last Stand]]''.

* There are '''7''' Marines and '''7''' Hornets in total at ''[[The Signal]]''.

* On the level ''[[The Archive]]'', Voridus starts with '''7''' units.

* There are total of '''7''' units from India Company that were not captured on the level ''[[Gatecrashers]]''.

==''Halo: Battle Born''==

*While activating the [[Sundered Legion Prowler]], [[Dorian Nguyen]] decides to try the number '''7''' when asked for a password as it is a lucky number. The Prowler's DNA lock recognizes Dorian as [[Quinn Butain]] and activates for him. After disarming the [[self-destruct]] [[Owen-B096]] accidentally activated, Dorian hits '''7''' again to restart the ship.<ref>'''[[Halo: Battle Born]]''', ''pages 187-188''</ref>

== ''Halo Infinite'' ==

*The campaign is split into '''seven''' sections: Ringfall, Lockdown, Connections, Graveyards, Reformation, Reckoning, and Endless.

*During the game's opening scene, John-117 kills '''seven''' enemies (two Brutes, two Grunts, and three Jackals) in the hangar bay before being attacked by [[Atriox]].

*After John-117 defeats The [[Harbinger]], he is teleported to a location with '''seven''' ring monuments.

== ''Halo Infinite: Memory Agent'' ==

*[[Parisa]]'s memory loss condition causes her short-term memory to reset roughly after each ''seven'' hour interval.

== Miscellaneous ==

* Cortana's name is '''seven''' letters long.

* Most of the ''Halo'' series is set in years beginning with the number 25. 2+5='''7'''  The vast majority of the game trilogy is set in 2552. 5 and 2 is the exact same equation, per order of operations.

* In the Halo series there are '''7''' levels named after a Halo character: 343 Guilty Spark, Keyes, The Arbiter, Regret, Gravemind, Sierra 117, and Cortana.

* Smart AIs (such as [[Cortana]]) go [[rampant]] after '''seven''' years of activation.

* Most family names of Sangheili have '''7''' letters, including the 'ee' suffix for military service (e.g., Vadumee, Zamamee, Vadamee).

* Many Covenant weapons have Type-52 or Type-25 at the beginning of their official names (5+2='''7''' and 2+5='''7''')

* The Human-Covenant War lasted a total of 28 years. 28 is divisible by '''7''', 28/4='''7'''.

* All known "[[Monitor]]" [[Forerunner]] A.I.'s have I.D. numbers that are powers of '''seven'''.

* The [[cryonics|cryonic]] put-down cycle takes '''seven''' minutes.<ref name="encyc1">'''[[Halo Encyclopedia (2009 edition)]]''', ''page 216''</ref>

* The ASCII [[John-117|Master Chief]] in a [http://halo.bungie.net/News/content.aspx?type=topnews&cid=8302 Bungie Weekly Update] was made with '''7'''s.

* In the preview of ''Halo 3'' featured at the Seattle IMAX theater, Bungie gave away a prize to the person sitting in seat G'''7''' (G is the '''7'''th alphabet).

* In the [[Cortana Letters]] "... In my palace deep, Lyca lies asleep ..." is mentioned on the '''7'''th letter and is believed to be from the poem "The Little Girl Found-By William Blake". One section reads:

: "Arm in arm, '''seven''' days

: They traced the desert ways.

: Among shadows deep,

: Starved in desert wild."

*As of the introduction of the challenge hub in ''[[Halo: The Master Chief Collection]]'', golden seasonal challenges with cosmetic unlocks often net '''77''',000 XP upon completion. (This is unique compared to the 75,000 XP often awarded with standard seasonal challenges.)

*Since ''Halo 2'', the [[Killimanjaro]] medal is awarded for killing '''seven''' opponents within four seconds.

* [[List of references to religion in the Halo series]]

* [[List of Marathon References in Halo]]

=== External ===

* [[Wikipedia:7|"7" on Wikipedia, the free encyclopedia]]

{{Halo References}}