Benefit: 1) Cause D6 Damage (or gain primary attack B for KO threat) or damage increases by one step (D4 to D6, D6 to D8 etc.) when making an unarmed strike with at least two MP. Stacks with pugilism, dance de la rue, sucker punch, and bind and batter MFs. 2) On a Critical Hit, automatically cause a Severe Injury (see Severe and Grave Injuries)