The Rapier 'Careth Asdriag' (2d6) (+16,+12)
+1 strength, dexterity, constitution, attack speed. Slays animals, orcs, trolls, giants, dragons. Cannot be harmed by acid, electricity, fire, cold.
Min Level 15, Max Level 80, Generation chance 12, 4.0 lbs

(Angband 3.1.2v2)