Yes, the untapped power that lies within you. Now, child, it's time you awakened that power and realized your full potential.
Prime - Maleficent 6★ Medal
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Vitality Barrier is an ability in Kingdom Hearts 358/2 Days that can be equiped via accessories or ability units for certain weapons. The ability itself decreases damage from single hits and combos down to ⅓ the usual damage while the player's HP is at full.