The Ring of Power 'The One Ring' (+15,+15)
It increases all your stats by 5. It increases your speed by 5. It provides immunity to acid, lightning, fire, cold, and poison. It provides resistance to fear, blindness, nether, and disenchantment. It sustains all your stats. It speeds your regeneration. It grants you the power of telepathy and the ability to see invisible things, but it also aggravates creatures around you, drains experience, and is permanently cursed. It activates for bizarre things every 30+d30 turns. It cannot be harmed by the elements.
Level 100, Rarity 100, 0.2 lbs, 5000000 AU

(NPPangband 0.5.0-WIP8a)