The Heavy Crossbow of Umbar (x7) (+18,+18) +3 strength, constitution, shooting power. Provides resistance to lightning, light, dark, blindness. Cannot be harmed by acid, electricity, fire, cold. Aggravates creatures nearby. When aimed, it fires a magical arrow with damage 150. Takes 21 to 40 turns to recharge. Min Level 60, Max Level 127, Generation chance 5, 20.0 lbs (Angband 3.1.2v2)