The Iron Crown of Beruthiel [0,+20]
It decreases your strength, dexterity, and constitution by 5. It grants you immunity to paralysis, the power of telepathy, and the ability to see invisible things, but it also is heavily cursed. It cannot be harmed by the elements.
Level 40, Rarity 12, 2.0 lbs, 1 AU

(NPPangband 0.5.0-WIP8a)