Rain for saw something like this, and using the last of her energy.

Rain

Defense: Dispel

Effect: Uses the last of Scarlett's advance energy and uses it to blast the oncoming attack.

Scarlett now looks at their enemy.

"If you shall attack me then I guess my promise meant nothing.  Prepare for a real fight.

Scarlett

Attack: Power drain

Effect: Now feeds off of the targets energy, weakening them while boosting her power.