No. Batman: Arkham Knight is purely a single-player story game without anti-cheat configurations like Valve Anti-Cheat (VAC). You can safely use a trainer while connected to Steam without risking an account ban.
Batman: Arkham Knight is the epic conclusion to Rocksteady’s acclaimed trilogy. The game delivers an incredible superhero experience. However, the aggressive late-game drone battles, tedious Riddler trophies, and strict AR challenges can stall your progress. batman arkham knight 1620 trainer
: Prevents game-over screens during intense Batmobile battles or predator encounters. the aggressive late-game drone battles