Initiate the Knightfall ProtocolHidden spoiler – activate to revealQuest stepMinor spoiler
- Location
- Bleake Island · GCPD roof – Pick the Knightfall Protocol on the mission wheel, then go to the roof of the GCPD on Bleake Island. Walk up to the Bat-Signal and press the interact prompt: a film and credits play, and the trophy follows.
- Requires
- Scarecrow finale: the last nightmareHidden spoiler
- Heir to the Cowl: memory scan and Azrael's choiceHidden spoiler
- Two-Faced Bandit: Kingston bank and Two-FaceHidden spoiler
- The Perfect Crime: free the captives and lock up PygHidden spoiler
- The Line of Duty: Chief Underhill and GCPD
- Gotham on Fire: Otisburg Fire Station and the last chaseHidden spoiler
- FireflyHidden spoiler
- Armored and Dangerous: ninth APC
- Creature of the Night: final cure and GCPDHidden spoiler
- Gunrunner: fifth cache, Nightwing and PenguinHidden spoiler
- Friend in Need: Wayne TowerHidden spoiler
- Own the Roads: undercity by Airship Alpha
- Lock the Riddler up at GCPDHidden spoiler
- Lamb to the Slaughter: Lady of GothamHidden spoiler
- Occupy Gotham: by the HQ south entrance
- Campaign for Disarmament: lock up DeathstrokeHidden spoiler
- Summary
- The closing film of the game, and one activation is enough with all 14 Most Wanted missions done. Free roam returns afterwards, and you can repeat it.
- Trophies
- Achievement · SteamKnightfall
- Achievement · XboxKnightfall
- Gold · PlayStationKnightfall
- Sources
- 100% Achievement Guide: Batman - Arkham Knight Part 1, Steam Community
- Epilogue - Knightfall, Gamer Guides
- Additional endings - Knightfall Protocol, Gamepressure
- Batman: Arkham Knight: Achievements & Trophy Guide, Gamepressure
- Batman: Arkham Knight Endings Guide, SegmentNext
- The Knightfall Protocol, Arkham Wiki (Fandom)