Batman: Arkham Knight achievements

Defeat 4 enemies within the duration of a single scare effect.

Achieve 50 critical shots on light tanks.

Survive the Militia onslaught.

Track down the cryopod.

Interrogate the Militia Lieutenant.

Lockup Killer Croc in GCPD.

Gain access to the high security area.

End the League of Assassins' war.

Discover the Lazarus pit.

Defeat the prisoners.

Follow the assassin's trail.

Destroy the fourth weapons cache in Gotham City.