Inconceivable

Inconceivable, or Grim Reaper in Halo Infinite, is a medal in Halo: Reach, Halo 4, Halo: The Master Chief Collection, Halo 5: Guardians, and Halo Infinite that is awarded for killing 35 enemies in a row without dying in multiplayer and Spartan Ops, or for killing 500 enemies in campaign or Firefight without dying. In The Master Chief Collection it is only awarded in multiplayer (which includes Spartan Ops), and not in campaign, for which the highest killing spree medal is Invincible.

In Halo: Reach the medal is represented by a target on a red 32-point star. In Halo 4, The Master Chief Collection and Halo 5: Guardians it is a 14-point star.

In Halo: Spartan Assault for Xbox 360 and Xbox One, the Inconceivable medal is awarded for killing 40 enemies in a row in co-op without being hit, and is represented by a blue shield with a Pod infector over two inverted chevrons.

Trivia

The name of the medal may be a reference to Vizzini's catchphrase in The Princess Bride.

Gallery

The Halo: Reach version.
The Halo 4 version.
The Halo 5: Guardians version.
The Halo Infinite version during the Technical Preview.
The Halo Infinite version.

v • d • e Halo: Reach medals (list)

Legendary medals	Unfrigginbelievable • Killionaire • Perfection • Extermination •Skullamanjaro • Hero

Sprees	Killing Spree • Killing Frenzy • Running Riot • Rampage • Untouchable • Invincible • Inconceivable • Hammer Spree • Dream Crusher • Wrecking Crew • Shotgun Spree • Open Season • Buck Wild • Sniper Spree • Sharpshooter • Be the Bullet • Stick Spree • Sticky Fingers • Corrected • Sword Spree • Slice 'N Dice • Cutting Crew • Splatter Spree • Vehicular Manslaughter • Sunday Driver • Wheelman Spree • Road Hog • Road Rage • Laser Spree • Red Menace • Sunburst • Assist Spree • Sidekick • Second Gunman • Juggernaut Spree • Immovable Object • Unstoppable Force • Infection Spree • Mmmm... Brains • Thriller • Zombie Killing Spree • Hell's Janitor • Hell's Jerome • Spawn Spree • Wingman • Broseidon

Multi-kills	Double Kill • Triple Kill • Overkill • Killtacular • Killtrocity • Killimanjaro • Killtastrophe • Killpocalypse

Weapon & style medals	Assassin • Assist • Avenger • Beat Down • Bulltrue • Hijack • Close Call • EMP Blast • Firebird • First Strike • Flag Kill • Grenade Stick • Headcase • Headshot • Kill from the Grave • Killjoy • Laser Kill • Needle Combine Kill • Oddball Kill • Protector • Pull • Pummel • Rejection • Reload This! • Revenge • Showstopper • Skyjack • Sniper Kill • Splatter • Wheelman • Yoink

Objective medals	Hail to the King • Bomb Planted • Flag Score • Killed Oddball Carrier • Killed Bomb Carrier • Killed Flag Carrier • Killed Juggernaut • Last Man Standing

Bungie.net medals	Avenge Me • Big Game Hunter • Ennobled • H. Ryan Memorial • Seek and Destroy • Thank the Maker • Funkadelic • Party Animal • Love Machine • Triple Double • Bros to the End • Steaktacular • Linktacular • Wildcat Destabilizer

v • d • e Halo 4 medals (list)

Spree medals	Killing Spree • Killing Frenzy • Running Riot • Rampage • Untouchable • Invincible • Inconceivable • Unfriggenbelievable • Comeback

Multi-kill medals	Double Kill • Triple Kill • Overkill • Killtacular • Killtrocity • Killamanjaro • Killtastrophe • Killpocalypse • Killionaire • Extermination

Kill medals	Kill • Headshot • Melee • Beat Down • Assassination • Airsassination • Grenade Kill • Plasma Kill • Sniper Rifle Kill • Beam Rifle Kill • Binary Rifle Kill • Rocket Kill • Fuel Rod Cannon Kill • Railgun Kill • Sword Kill • Hammer Kill • Splaser Kill • Supercombine • Vehicle Kill • Splatter

Bonus/Style medals	First Strike • Last Strike • Headcase • Reload This • Kill from the Grave • Revenge • Retribution • Vengeance • Avenger • Protector • Close Call • Hijack • Skyjack • Busted • Showstopper • Bulltrue • Vehicle Destroyed • Killjoy • Hail Mary • Snapshot • Ordnance Earned

Assist/Support medals	Assist • Vehicle Destroy Assist • Wheelman • Distraction • Guardian Angel • Wingman • Bodyguard • Flyin' High • EMP Assist • Road Trip

Dominion medals	Base Capture Initiated • Base Captured • Base Conqueror • Capture Assist • Capture Initiation Assist • Base Defense • Base Offense • Base Saved • Security Chief • Fortification Assist • Resupply Assist • Turret Built • Chief Engineer • Turret Destroyed • Demolition Expert • Gotcha! • Shield Door Destroyed • Breach • Sapper • Survivor • Hero! • Kill Shot!

Regicide medals	King Kill • King Spree • Kingtacular • Reign of Terror • Regicide • Execution • King Slayer • King Joust • King Assist • Savior

Flood medals	Flood Conversion • Alpha Conversion • Infector • Carrier • Juggernaut • Gravemind • Flood Kill • Flood Kill Assist • Flood Hunter • Flood Survivor • Flood Exterminator • Last Man Standing • Final Conversion • Flood Victory • Ancient One • Clever

King of the Hill medals	Hill +5 • Hill +10 • Hill +15 • Hill Dominance • Vehicle Hill +5 • Vehicle Hill +10 • Vehicle Hill +15 • Vehicle Dominance • First Point • Hill Defense • Hill Offense • Hail to the King • Hill Assist • Regime Change

Capture the Flag medals	Flag Capture • Flag Runner • Flag Champion • Flag Assist • Flag Carrier Kill • Flag Defense • Flagsassination • Flag Kill • Flag Joust • Flag Driver

Oddball medals	Ball Holder • Ball Keeper • Ball Master • Ball Hog • Magic Hands • Ball Kill • Smooth Moves • Ballsassination • Carrier Kill • Carrier Kill Assist • Catch • Long Bomb • Nice Catch! • Interception • First Touch

Extraction medals	Site Extracted • Extraction Assist • Beacon Armed • Arm Assist • Arm Stopped • Beacon Converted • Convert Assist • Convert Stopped • Expert Extraction • Site Saviour • Site Offense • Site Defense • Stay Back!

Grifball medals	Score!

Ricochet medals	Goal Defense • Ball Clear • Goal Keeper • Rejection • Fast Break

v • d • e Halo: Spartan Assault medals (list)

Consecutive kills	Double Kill • Triple Kill • Overkill • Killtacular • Killtrocity • Killamanjaro • Killtastrophe • Killpocalypse • Killionaire

Sprees	Killing Spree • Killing Frenzy • Running Riot • Rampage • Untouchable

Weapon sprees	Rifle Spree • Target Practice • Contact • Pistol Spree • Pistol Perfect • Gunslinger • Grenade Spree • Cluster Bomb • Let It Rain • Splatter Spree • Road Rage • Sunday Driver

Style medals	Assassin • Sentry • Anticipation • Demolition • Swiss Army • Wrecking Ball

Assault Ops sprees	Killpower • Killociraptor • Killdiculous • Killowhat?! • Invincible • Inconceivable • Unfriggenbelievable

Assault Ops style	Repellant • Kill it with fire • Medic • Brick Wall • Long Distance • Bug Off • Perimeter

v • d • e Halo 5: Guardians medals (list)

Spree medals	Killing Spree • Killing Frenzy • Running Riot • Rampage • Untouchable • Invincible • Inconceivable • Unfriggenbelievable • Hat Trick • Big Game Hunter • Armageddon (Beta Only)

Multi-kill medals	Double Kill • Triple Kill • Overkill • Killtacular • Killtrocity • Killamanjaro • Killtastrophe • Killpocalypse • Killionaire • Extermination

Kill medals	Assassination • Airsassination • Headshot • Longshot • Perfect Kill • Hail Mary • Rocket Mary • Beat Down • Ground Pound • Melee Kill • Shoulder Bash • Stuck • Sniper Headshot • Snapshot • Airborne Snapshot • Splatter

Bonus/Style medals	Close Call • Reversal • Retribution • Brawler • Bulltrue • Starkiller • BXR • Nadeshot • Quickdraw • Noob Combo • Cliffhanger • Sayonara • First Strike • From the Grave • Gunpunch • Snipunch • Deadshot • Spray and Pray • Hard Target • Triple Double • Alley-Oop • Combat Evolved • Big Gun Runner • Cluster Luck • Fastball • Buckle Up • Snipeltaneous • Flyin' High • Hijack • Skyjack • Busted • Road Trip • Wheelman • Top Gun • Power Player • Perfection • Pounder • Pineapple Express

Assist/Support medals	Distraction • Wingman • EMP Assist • Pound Town Assist • Team Takedown • Team Takedown Assist • Protector • Guardian Angel • Bodyguard • Showstopper • Game Saver • Pounder Assist

Strongholds medals	Stronghold Captured • Stronghold Capture Assist • Lockdown • Capture Spree • Total Control Medal • Base Defense • Stronghold Secured Medal

Breakout medals	Blind Side • Superfecta • Trifecta • Perfecta • Duelist • Immortal • Extinction • Fast Break • Buzzer Beater • Triple Threat

Capture the Flag medals	Stealth Capture • Flag Captured • Flag Driver • Flag Capture Assist • Flag Runner • Flag Champion • Flag Kill • Flagsassination • Stopped Short • Flag Joust • Carrier Kill • Flag Defense • Carrier Protected • Flag Returner • Goal Line Stand

Warzone medals	Grunt Kill • Jackal Kill • Crawler Kill • Watcher Kill • Soldier Kill • Soldier Assist • Elite Kill • Elite Assist • Hunter Kill • Hunter Assist • Knight Kill • Knight Assist • Warden Kill • Warden Assist • Marine Kill • Marine Assist • Base Capture • Base Defense • Core Defense • Boss Takedown • Legendary Takedown • Mongoose Destroyed • Mongoose Assist • Warthog Destroyed • Warthog Assist • Scorpion Destroyed • Scorpion Assist • Ghost Destroyed • Ghost Assist • Wraith Destroyed • Wraith Assist • Mantis Destroyed • Mantis Assist • Banshee Destroyed • Banshee Assist • Phaeton Destroyed • Phaeton Assist • Phantom Destroyed • Phantom Assist • Wasp Destroyed • Wasp Assist

Warzone kill medals	Kill • Assist • Assault Cannon Kill • Grenade Kill • Grenade Launcher Kill • Incineration Kill • Rocket Kill • Sentinel Beam Kill • Scattershot Kill • Shotgun Kill • Sniper Kill • Beam Kill • Binary Kill • Sword Kill • Hydra Kill • Hammer Kill • Splaser Kill • Supercombine • SAW Kill • Railgun Kill • Caster Kill

Campaign medals	Vehicle Destroyed

Infection medals	Zombie Hunter • Zombie Slayer • Hell's Janitor • Hell's Jumper • Zombicide • The Cure • Infector • Carrier • Ravager • Plague Bearer • Lord Of The Flies • Last Man Standing • Infected • Ancient One • Survived • Resourceful • Stalker • Flatline

Grifball/Assault medals	First Touch • Ball Carrier Protected • Ball Clear • Goal Offense • Goal Defense • Ball Carrier Kill • Ball Kill • Goal • Ball Runner • Ball Champion • Ballsassination

v • d • e Halo Infinite medals (list)

Killing Spree medals	Killjoy • Killing Spree • Killing Frenzy • Running Riot • Rampage • Nightmare • Boogeyman • Grim Reaper • Demon

Mode medals	Ace • All That Juice • Always Rotating • Clock Stop • Duelist • Extermination • Flag Joust • Flawless Victory • Fumble • Goal Line Stand • Great Journey • Hill Guardian • Immortal • Lone Wolf • Monopoly • Necromancer • Perfection • Power Outage • Steaktacular • Stopped Short • Straight Balling

Infection medals	Sole Survivor • Untainted • Zombie Slayer • Undead Hunter • Hell's Janitor • Culling • Purge • Cleansing • Purification • Divine Intervention • Blight • Disease • Plague • Pestilence • Scourge • Apocalypse • The Sickness

Multikill medals	Double Kill • Triple Kill • Overkill • Killtacular • Killtrocity • Killamanjaro • Killtastrophe • Killpocalypse • Killionaire

Proficiency medals	Bodyguard • Bomber • Boxer • Breacher • Driver • Grenadier • Gunner • Gunslinger • Heavy • Marksman • Pilot • Rifleman • Saboteur • Scattergunner • Sharpshooter • Spotter • Tanker • Treasure Hunter • Warrior • Wheelman • Wingman

Skill medals	Achilles Spine • Autopilot Engaged • Back Smack • Ballista • Bank Shot • Boom Block • Bulltrue • Chain Reaction • Cluster Luck • Counter-Snipe • Death Race • Dogfight • Fire & Forget • Grand Slam • Guardian Angel • Hail Mary • Harpoon • Interlinked • Kong • Mind the Gap • Nade Shot • Ninja • No Scope • Nuclear Football • Odin's Raven • Pancake • Perfect • Pull • Quigley • Remote Detonation • Return To Sender • Reversal • Rideshare • Skyjack • Sneak King • Snipe • Splatter • Stick • Tag & Bag • Whiplash • Windshield Wiper

Style medals	360 • Blind Fire • Combat Evolved • Deadly Catch • Driveby • Fastball • Flyin' High • From the Grave • Grapple-Jack • Hold This • Last Shot • Lawnmower • Mount Up • Mounted & Loaded • Off the Rack • Party's Over • Pineapple Express • Quick Draw • Ramming Speed • Reclaimer • Shot Caller • Special Delivery • Street Sweeper • Yard Sale

Inconceivable

Trivia

Gallery

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