Like applying debuffs whenever he scores a critical hit such as: -4 to strength for 1/2 turns, -2/4 to attack rolls, saving throws and such for 1 or 2 turns, poison effect (say he uses chi to damage a targets blood, Slowing a target (can only make 1 Move or 1 Standard action each turn till debuff ends) For use against spellcasters: Say he can debuff them so that istead of outright stopping their spell casting they instead are forced to make a concentration check everytime they cast a spell for the duration of the debuff due to their “Mana being in a chaotic flux from his attack.” Given he can make like 8 attacks each turn (9 if he is hasted) he could potentally tack on numerous debuffs, so long as he can score the crit’s to trigger them. Making it so he has to score crit’s to apply the debuffs keeps him from being OP, cause realistically who is going to score 8 crit’s in 1 attack phase, much less over and over again. So his 8 attacks means each attack phase he is likely to cause 1 debuff, maybe 2 that only last between 1-3 rounds (duration can be discussed). This was the basis on which the items for Immeral that I brought up in the other post was for…