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It’s your most powerful tool. Use it to spot armed guards through walls, find breakable surfaces, and track trails that lead to secrets.

If you want to find everything, look for Riddler Maps hidden in each area. They reveal the locations of all trophies and riddles on your map, saving you hours of aimless wandering. For example, there's a trophy behind a destructible wall in the Utility Corridor near the Intensive Treatment Lobby. batman-arkham-asylum

In combat, a knocked-down enemy isn't out of the fight until you perform a Crouch + Takedown (Shift + Right Click on PC). It’s risky because it leaves you vulnerable, but it instantly K.O.s a downed baddie. It’s your most powerful tool