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10% reduced Enemy Stun Threshold with Maces or Sceptres
Hits that Stun Enemies have Culling Strike
Mace or Sceptre Attacks deal 30% increased Damage with Ailments 
Skull Cracking is a notable passive skill that grants increased physical damage with maces. It also grants reduced enemy stun threshold with maces. Additionally, hits that stun enemies have culling strike.