aboleth of the 4th floor.
says the caves are his, because hes nice like that.
willing to let the party move to floor 5 if they leave him alone, because hes nice like that.
has disturbed and poisoned the water on floor 4 and is at siege with the fish people nearby, because hes nice like that.

iluun had several chuuls and troglodytes under his command but was ultimately felled by the Divine Shanks through the effort of darion and asteriuses swords, the holy spirit of per harald and a tidal wave knocking him into a bunch of eels by sigurd and goud.