Bul-Kathos's Solemn Vow is one of the two Mighty Weapons pieces of the Bul-Kathos's Oath set in Diablo III. It requires character level 60 to drop.

Stats (Level 60)Edit


Bul-Kathos's Solemn Vow
Set Mighty Weapon


  • 1149.2–1363.7 Damage Per Second
    • (760–895)–(1008–1203) Damage
    • 1.30 Attacks per Second
  • +(610–745)–(731–926) Holy Damage
  • +330–524 Strength
  • +3 Random Magic Properties
  • Empty Socket

Set Bonuses:

Bul-Kathos strode as a giant among the ancients, and was the forefather to the barbarian tribes. This sword represents the sacred vow he made to protect Mount Arreat and the Worldstone.