The Set of Gauntlets 'Paurnimmen' [3,+14]
It brands your melee attacks with frost. Provides resistance to cold. Cannot be harmed by acid, electricity, fire, cold. Slows your metabolism.
When aimed, it creates a frost bolt with damage 6d8. Takes 8 to 14 turns to recharge.
Min Level 50, Max Level 127, Generation chance 5, 2.5 lbs

(Angband 3.1.2v2)