Mu Online/Crywolf
From StrategyWiki, the video game walkthrough and strategy guide wiki
At the time of this event, The Crywolf Fortress change from a safe zone to a battle zone. Everyone in the server cluster is allowed to participate. The characters have to fight against waves of mosters that try to destroy the 5 pillar around the Crystal Wolf Statue. In this event, 5 level 350 or higher muse elves protect and give power to pillars, while the other characters defend against the monsters that enter into the fortress.
