The Blade of Chaos 'Doomcaller' (6d5) (+18,+28) [-50]
Slays animals, evil creatures, demons, trolls. *Slays* dragons. Branded with frost. Provides resistance to acid, lightning, fire, cold, chaos. Cannot be harmed by acid, electricity, fire, cold. Prevents paralysis. Grants telepathy. Grants the ability to see invisible things. Aggravates creatures nearby.
Min Level 70, Max Level 127, Generation chance 4, 18.0 lbs

(Angband 3.1.2v2)