The giant is to the room directly west, and the wyvern south of him. They don't have magic weapons, but seem confident they don't need them. They will lead you back to the beetle room unless any one has other suggestions
"We are our own band. We came down here because we heard that somewhere in this area is a trapdoor that leads to great peril and great wealth. We were just trying to get drunk enough to brave the monsters around here." He laughs at the admission. "We've got a giant in the next room, ...
Maloof opens the door. All is smoky and ashes, but no spider carcasses are seen. The bones are now on the floor, they look like goblin bones, but nothing else of interest is revealed