In Kingdom Hearts Union χ, Noble Spirits is a special attack that targets all enemies. It costs 4 special attack gauges to perform. For 2 turns, it raises Player's Upright-based strength by 3 tiers. It inflicts more damage with 1 enemy left (including raid boss parts). It resets the enemy countdown, and its HP recovery is Level 3. It fills 3 special attack gauges.
Learning Noble Spirits
Kingdom Hearts Union χ