From memory each of the mini bosses drops a key that unlocks one of the doors that leads to the clan leader. The clan leader should have a chest but I cant remember if it is locked or not. Is it not happening?
I'll see if i can reset the server and head down there with a few people and knock the place over and see what happens.
Grovel puts the P in swimming pool.
Small in stature, large in power, narrow of focus and wide of vision
My play/DM times: http://www.ysgard.org/viewtopic.php?highlight=play&t=7671