Unlocked by

• Carrion Tribal Warhammer of Blood
• Carrion Tribal Warhammer of Vision
• Carrion Tribal Warhammer of Accuracy
• Carrion Tribal Warhammer of Rage
• Cavalier's Tribal Warhammer
• Magi's Tribal Warhammer
• Rabid Tribal Warhammer
• Soldier's Tribal Warhammer
• Tribal Warhammer Skin