The Two-Handed Sword 'Twilight' (4d6) (-40,-60) [-50]
+10 to Speed
Flame Tongue
Immunity to Fire
Resist Fire, Fear, Disenchantment
Aggravates; Permanent Light(1); Ancient Curse
Activates for nothing
Level 30, Rarity 15, 25.0 lbs, 0 Gold

(Hengband 1.6.0)