List of references to "seven" in the Halo series

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"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

"Cause that's the best number. It's like rock. Nothing beats rock or 7."

— Michael Wu

7

Bungie has long enjoyed using the number seven (7) in its games in many prominent ways. Ensemble Studios and authors also have certain obvious seven references in their works about Halo. While almost anything can be made into a reference to something with effort or constructed accidentally through pareidolia, the following attempts to list the intentional references Bungie placed into Halo for the fans to find. As such, not all of these references may be fully accurate, and many of them may be proven to be false at any time. Bungie's obsession with the number seven may be attributed to (or be a determining factor) why John-117 is considered lucky, as 7 is considered a lucky number. In spite of the fact that the number seven is featured extensively in Bungie's work, it has generated an aura of apophenia. This cultural nuance can be compared to the 23 enigma.

After 343 Industries took over the Halo franchise, references to 7 have continued, possibly as an homage to Bungie.

Halo: The Fall of Reach (and Halo: Fall of Reach)

Main articles: Halo: The Fall of Reach, Halo: Fall of Reach

Halo: Combat Evolved (and Halo: The Flood)

Main articles: Halo: Combat Evolved, Halo: The Flood

Halo: First Strike

Main article: Halo: First Strike

Halo: Ghosts of Onyx

Main article: Halo: Ghosts of Onyx

Halo 2

Main article: Halo 2

Halo 3

Main article: Halo 3

Cortana Letters and Transmissions

Main articles: Cortana Letters, Transmissions

• Cortana signs her second letter with seven 'X's and 'O's.
• Cortana sends eight emails. But Letter Three was likely never intended, so seven messages were planned.

I Love Bees

Main article: I Love Bees

Halo: Contact Harvest

Main article: Halo: Contact Harvest

• There were seven space elevators of the Tiara.
• Seven main maglev train lines led out from each base of the space elevators.
• Prophet Senior Ministry staffers could manage to travel in their anti-gravity chairs in groups as small as seven.
• During the evacuation of Harvest, Loki changed the five minute interval for the containers to seven minutes.
• The first space elevator to collapse was the seventh elevator.
• Sif's electronics were stored in seven towers in the Tiara's control room.
• 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

Main article: Halo: The Cole Protocol

• Seven ODST's were killed during the attack on the Redoubt.

Halo Wars

Main article: Halo Wars

• There are 7 Sangheili deactivating camouflage in the Halo Wars Announcement Trailer.
• In Halo Wars, both the UNSC Fortress and Covenant Citadel possess 7 expansion sockets.
• There are 7 types of buildings for each UNSC and Covenant.
• In the beginning of level Relic Approach, the lockdown on the 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 Sergeant Forge.
• The player begins the level Scarab with exactly seven units: 2 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 with exactly seven units: 4 ODST squads, 1 Hellbringer, Sergeant Forge, and Professor Anders.
• The cryo pods in the last cutscene are row 3 and 4. 3+4=7
• Following the events aboard the UNSC Prophecy, Sergeant Forge required seven doses of anti-radiation treatment.

Halo 3: ODST

Main article: Halo 3: ODST

Halo: Evolutions - Essential Tales of the Halo Universe

Main article: Halo: Evolutions - Essential Tales of the Halo Universe

Halo: Reach

Main article: Halo: Reach

Halo 4: Forward Unto Dawn

Main article: Halo 4: Forward Unto Dawn

• A Corbulo Academy training bunker is designated as "Field Depot 7".
• Cadmon Lasky tells his brother that his ODST unit engaged in a 7-hour firefight with Insurrectionists.
• There are 7 fully identified members of Hastati Squad
  • Junjie Chen
  • Thomas Lasky
  • April Orenski
  • Chyler Silva
  • Michael Sullivan
  • Dimah Tchakova
  • Walter Vickers

Halo 4

Main article: Halo 4

Halo: Uprising

Main article: Halo: Uprising

• In Issue #3, a UNSC Marine designated Blue Leader contacts "Site Seven" to establish connection to command.

Halo Legends

Main article: Halo Legends

Halo: Cryptum

Main article: Halo: Cryptum

• 7 humans belonged to the crew that assisted Bornstellar Makes Eternal Lasting in inevitably finding the Cryptum of the Didact.

This section needs expansion. You can help Halopedia by expanding it.

Halo: Glasslands

Main article: Halo: Glasslands

• Dr. Halsey remarks her old age by reminiscing that she is no longer twenty-one years of age. 21/3=7
• The completion of the SPARTAN-II augmentation procedures could not be performed until candidates were 14 years of age. 14/2=7
• 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.
• Lucy-B091 suffered from a speech impediment for 7 years.
• Lucy referred to Morse code as a "simple, seven-hundred-year-old system of on-off signals.
• Mal noted seeing a lot of glassed planets in the last fourteen years. 14/2=7
• Fred and Mendez go up seven floors in the Forerunner elevator.
• At the Voi Memorial ceremony, Malcolm Geffen and the other Kilo-Five ODSTs wore their dress uniforms for more than seven hours.

Halo: Combat Evolved Anniversary

Main article: 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.
• 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.

Halo: Primordium

Main article: Halo: Primordium

• As Chakas and Vinnevra visit a crashed Forerunner escape pod, Chakas counts the partial remains of about 7 dead Forerunners.
• The Forerunner Lifeworker Genemender Folder of Fortune is said to have 7-fingered hands.
• The victorious Forerunner assault on the humans at Charum Hakkor were staged of 7 slipspace portals.
• 7000 human warriors and 70 human vessels were assigned to protect the timelock that contained the Timeless One.
• The flashbacks of 343 Guilty Spark, formerly known as Chakas, primarily take place on Installation 07, one of the 7 Halo rings.

Halo: Silentium

Main article: Halo: Silentium

• Far Nomdagro is located seven lightyears from the Capital system.
• Audacity had a crew of seven during its expedition to Path Kethona.
• During a survey of a star system in Path Kethona, Audacity's sensor readings are disrupted by unknown objects less than seven hundred million kilometers from the star.
• The fifth planet in the star system investigated by the Audacity is surrounded by seven rings of icy debris.
• After discovering a fleet of ancient Forerunner vessels, the crew of the Audacity choose to investigate an outlying group of seven vessels.
• Among the ancient Forerunner warships are what the Librarian assumes may be classified as sixth- or seventh- order ships.
• During the Battle of the 78th Thema, twelve Fortress-class vessels are placed as apex control stations for seven hundred thousand Harrier-class vessels.
• Requiem is orbited by seven ice-covered resource planetoids.

Halo: Escalation

Main article: Halo: Escalation

• In the beggining 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-IVs die.
• Issue #7 reveals that seven million people died in the New Phoenix incident.

Related links

Internal

• List of references to religion in the Halo series
• List of Marathon References in Halo

External

• "7" on Wikipedia, the free encyclopedia
• Bungie.net: The Bungie Code: Septionary: Every 7 Letter Word In The English L...