Phinny ( drops the water staff ) has a good number of drops 3 different epics have him as a killed mob, just as an example i know he doesn't drop the staff every time.

Inny's drop got moved to a miniboss, that when i was playing my mage was being a real pain in the rear about dropping the stick that might have been fixed however.

mage mage and more mage groups are great tons of damage and everyone thinks about the same =)