Deadly Balance

At start of combat, if unit's HP ≥ 50% or if【Penalty】is active on unit, inflicts Atk/Def-5 on foe and grants Special cooldown charge +1 per foe's attack during combat. (Only highest value applied. Does not stack. Special cooldown charge granted even if foe's attack deals 0 damage.)  

【Penalty】

All effects that last "on foe through its next action." Includes penalties inflicted by a skill like Panic or Threaten and negative status effects (preventing counterattacks, restricting movement, or the effects of a skill like Triangle Adept or Guard).