Temple of Stupid
This place houses three punching bag mobs, one combat maze (sleep in Barney's room), and a hall of vengeance (what does it do...?).
A sign at the entrance reads:
The mobs in these rooms are here for your personal pleasure and enjoyment.
Feel free to let out all your frustration and anger on them, but please
note that your skills/spells will not improve while doing so.
Have fun!