The Massive Iron Crown of Morgoth [0,+0]
It increases all your stats by 125. It increases your infravision by 125. It provides resistance to acid, lightning, fire, cold, poison, fear, light, dark, confusion, nexus, and nether. It lights the dungeon around you. It grants you the power of telepathy and the ability to see invisible things, but it also is permanently cursed. It cannot be harmed by the elements.
Level 100, Rarity 1, 2.0 lbs, 10000000 AU

(NPPangband 0.5.0-WIP8a)