The Chain Mail of Arvedui (-2) [14,+15]
It increases your strength and charisma by 2. It provides resistance to acid, lightning, fire, cold, shards, and nexus. It cannot be harmed by the elements.
Level 20, Rarity 3, 22.0 lbs, 32000 AU

(NPPangband 0.5.0-WIP8a)