With a great heave, Crag forces the door open, pushing against the ankle deep mud that's in the room, which spills out into the room you're in.
This stone vault is lined with shelves holding many strange devices. Some of them even appear to be intact and might be valuable. However, your most pressing concern lies at the southern end of the room, in a small alcove, where a thick, stone staff juts out from a swirling vortex of mud and spews forth a steady deluge of elemental muck.