Batman: Arkham Asylum (PC) - Predator Challenge - Survival Tactics (Extreme) (0:40) Full No Damage Walkthrough Guide in Full HD (1080p) and 60 fps on PC br br =================================== br br PREDATOR MEDAL CHALLENGES: br br ● The Magic Number - Use a Triple Batarang to knock down 3 henchmen with one throw (Upgrade required). br ● Kick Off - Use a Line Launcher to kick a henchman off an edge and knock him out. br ● Hit and Run - Punch an armed henchmen. br br =================================== br br Game: Batman: Arkham Asylum (2009) br Platform: PC br Developer: Rocksteady Studios br Publisher: Eidos Interactive, Warner Bros.