Enchanted Caverns
The rest of the group came to join him in the main room, and were briefly startled when the doorway appeared to be gone. Like Karl had, Alice stepped back through and found that she had no resistance, it was just an illusion, and touching the other side had broken it.
The real question was whether the one who made it was trying to keep something out, or to keep something in. It hid the only way out of the tunnel complex, so it could be either.
"Should we see what set a fire in the room on this level, or should we see what's below us first?" Alice asked Corbin and Larry, conferring between the three strongest fighters to see what they felt was safest.
"Go with what we know could be a threat first. The room with fire." Corbin suggested.