meet assassin girl in various places, then she will give you a quest and a skill, Ambush which "ambush the target, causing 500% weapon damage. Can only be used in the beginning of a fight. Requires dagger." In addition, you can hunt a fish-like beast at the last bridge of the cave.
 "Murloc RPG: Stranglethorn Fever"){kind=icon}
 "Legend of Kalevala"){kind=icon}