"Hey, wait up!" Zig quickly hops back inside the mausoleum, not wanting to get seperated from the bulk of the party in this place. It seems that, being invisible, the others had forgotten where he was.
You proceed down the stairs into the darkness. You come to a door. Opening the door you are assualted by a revolting stench. It smells like an open sewer down here. Facing you is a corridor which proceeds forward. A branch leads off to the left.