Just did this with two different characters, but killing the group to the east of Fenrir completed the Zaishen Quest. Considering the bug with the Fort Aspenwood, I wonder with these daily new quests, bugs like this will continue.Bikeboy854 23:51, 4 May 2009 (UTC)
Happened to me too, was running people through it and the quest completed without me actually killing him. --96.48.161.221 05:34, 18 June 2009 (UTC)