The Hard Leather Armour of Himring [8,+15]
Provides resistance to poison, nether, chaos. Cannot be harmed by acid, electricity, fire, cold.
When activated, it grants you protection from evil for 1d25 plus 3 times y our character level turns. Takes 101 to 200 turns to recharge.
Min Level 50, Max Level 100, Generation chance 5, 10.0 lbs

(Angband 3.1.2v2)