The Iron Crown of Beruthiel [0,+20]
An iron circlet which might be worn, but which is purely ornamental unless
it has special powers.
The midnight-hued steel circlet of the sorceress-queen Beruthiel, which
grants extraordinary powers of sight and awareness at a terrible physical
cost.
It decreases your strength, dexterity and constitution by 5. It
provides immunity to paralysis. It allows you to see invisible
monsters. It gives telepathic powers. It is cursed. It can re-curse
itself. It cannot be harmed by acid, cold, lightning or fire.
Level 40, Rarity 12, 2.0 lbs, 0 Gold

(T.o.M.E. 2.3.5)