The Iron Helm of Gorlim (+8,+8) [5,+10]
It decreases your intelligence and wisdom by 5. It decreases your searching by 5. It provides resistance to fear. It grants you immunity to paralysis and the ability to see invisible things, but it also aggravates creatures around you and is heavily cursed. It cannot be harmed by the elements.
Level 20, Rarity 5, 7.5 lbs, 1 AU

(NPPangband 0.5.0-WIP8a)