The Jewel of Judgement
+3 to INT, WIS, Speed
Resist Confusion, Chaos
Hold Life; See Invisible; Permanent Light(3)
Activates for clairvoyance and recall, draining you every 20+d20 turns
Level 70, Rarity 90, 0.5 lbs, 150000 Gold

(Hengband 1.6.0)