His respawn timer is 2 hours That is confirmed by myself where i killed him at 6:30 pm, he was up at 8:30 pm exactly, it took us an hour to setup, he died at 9:23 and respawned at 11:23 EDIT : and just for confirmation's sake im gonna go check see if he spawns at 1:23 am even though i don't have enough guildies online to kill him EDIT : andddddddd confirmed. 2 hours respawn.