About Aliens versus Predator

healing magic - Predator heals himself by expending his energy reserves and stabbing himself with the healing stabby things, can be repeated whenever the player feels like it and there's sufficient energy reserves left.
health draining - xenomorph's healing method vaguely belongs to this: by "eating" the heads of humans and predators, live victims give more health.
hypermobile foes - xenomorphs when playing against them.

steam - only for AvP Classic