A pit that is like a Bat-Pole/Wallace and Gromit machine that dresses the PC like a Balor, gives him an evil aura, then teleports him into the middle of a bunch of high level Paladins.
"But....but I'm NOT a Balor"
"Sure you aren't..." (Smite, Pow, Bash, Smite, Smite, Smite!)
(a very short...