A Monument to All Your Sins

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A Monument to All Your Sins
HR Achievement A Monument to All Your Sins.png

HTMCC Achievement AMonumentToAllYourSins Steam.jpg

HTMCC HR Achievement AMonumentToYourAllYourSins.jpg
150 (Halo: Reach)
30 (Halo: The Master Chief Collection) Gamerscore.gif

A Monument to All Your Sins is a Campaign Achievement in Halo: Reach and Halo: The Master Chief Collection. This achievement is awarded when a player completes every campaign mission in Halo: Reach on Legendary solo. It is represented by a Legendary symbol with a human skull rather than the traditional Sangheili skull.[1]


  • The achievement's name is derived from a quote from the Gravemind: "I? I am a monument to all your sins." [2] This line is also said by Cortana while under the influence of the Gravemind.[3]
  • This achievement has somewhat the same icon as the "Hired Gun" achievement from Halo 2 for Windows Vista.
  • Completing the Campaign on Legendary will also award the "Gods Must Be Strong" Achievement, which does allow for co-operative play.



HR Game Logo.jpeg
Achievements in Halo: Reach
Campaign The Soldier We Needed You To BeFolks Need Heroes...Gods Must Be StrongA Monument to All Your SinsWe're Just Getting StartedProtocol Dictates ActionI Need a WeaponTo WarYou Flew Pretty GoodInto the Howling DarkDust and EchoesThis is Not Your Grave…Send Me Out... with a BangThey've Always Been FasterTwo Corpses in One GraveYour Heresy Will Stay Your FeetBanshees, Fast and LowIf They Came to Hear Me Beg‎Wake Up, ButtercupTank Beats EverythingLucky Me‎KEEP IT CLEANI Didn't Train to Be a Pilot
Firefight Crowd ControlKnife to a GunfightScore AttackFirestarterBlaze of GloryHeat in the PipeGame, Set, Match
Multiplayer Be My Wingman, AnytimeSkunked!What's a Killing Spree?Yes, Sensei
Noble Maps Multiplayer Both BarrelsCross-Mappin'Offensive DriverPoppin' & Lockin'Totally Worth ItYou Ate All the ChipsYou Blew It Up!
Defiant Maps Multiplayer Candy from a BabyCrackin' SkullsReturn to SenderAll AloneDon't Touch That!Paper Beats Rock
Anniversary Maps Multiplayer Top ShotEmergency RoomStick it to the Man!Dive BomberLicense to KillBounty HunterFrom Hell's Heart
Training Doctor, DoctorThat's a KnifeI See You Favor a .45An Elegant Weapon…Swap MeetA Spoonful of Blamite
Player Experience Make It RainA New ChallengerThe Start of SomethingAn Honor ServingA Storage SolutionMake it DrizzleCool File, BroLemme Upgrade YaOne Down, 51 to Go