The Mithril Chain Mail 'Belegennon' (-1) [28,+20]
It increases your stealth by 4. It provides resistance to acid, lightning, fire, cold, and poison. It activates for phase door every 2 turns. It cannot be harmed by the elements.
Level 40, Rarity 3, 15.0 lbs, 105000 AU

(NPPangband 0.5.0-WIP8a)