The Mithril Chain Mail 'Belegennon' [12,+10]
+4 to stealth. It increases resistances: +20% acid, +20% electricity, +20%
fire, +20% cold and +20% poison. It is vulnerable to damage by
disenchantment. When worn and activated, it displaces you a short distance
away, recharging every 2 turns.
Level 40, Rarity 3, 20.0 lbs, 52500 Gold.

(EyAngband 0.5.2)