Celeste, the Celestial Guardian:

Appearance: Celeste is an ethereal guardian with iridescent wings that shimmer with the colors of the aurora borealis. Her hair cascades in waves of silver and gold, and her eyes gleam with the wisdom of the cosmos. Celeste wears a flowing gown made of stardust and moonbeams.
Power: Celeste harnesses celestial energy, granting her the ability to manipulate light and energy. She can create blinding flashes of light to disorient foes, summon protective barriers of energy, and even channel the power of the stars to heal and rejuvenate her allies.