Definition of "debuff" [debuff]

• An effect that makes a game character weaker; a status effect. (noun)

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• "Aimed Shot now has a Mortal Strike like debuff, meaning that a warrior is not the only option when needing to cut down the utility of an opposing teams healer."
• "He just turned the damage to magic weapons and the like into a temporary “debuff”, basically."
• "It confers no bonus on the owner beyond possible investment increase and actually gives a "-1 enjoyment" debuff to the Audience Guild."