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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Unison Rush (ユニオンラッシュ Yunion Rasshu?, lit. "Union Rush") is a Friend Command in the North American, PAL, and Final Mix versions of Kingdom Hearts Birth by Sleep. Unison Rush involves all three players rushing around the field and attacking enemies with their Keyblades, prompting them to press the button on-screen por maximun damage, similar to a type of Shotlock. It is only equipped and used in the Mirage Arena and it costs 3000 Medals. Because of its power, it takes up three command slots.