The Pick of Erebor (3d4) (+5,+20)
+5 strength, constitution, tunneling. Slays demons, orcs, trolls. Branded with acid. Provides resistance to light, dark, chaos. Cannot be harmed by acid, electricity, fire, cold. Sustains strength.
Radius 1 light.
Min Level 55, Max Level 100, Generation chance 20, 20.0 lbs

(Angband 3.1.2v2)