Phantom Aqua

Phantom Aqua is an antagonist in Kingdom Hearts 0.2 Birth by Sleep -A fragmentary passage-. She is a phantom version of Aqua encountered in the Realm of Darkness.

Story
When Aqua finds herself in the remnants of Dwarf Woodlands, she finds a mysterious mirror. Her reflection comes to life and pulls her inside. Trapped, Aqua solves the mysteries of several other mirrors and battles her phantom three times. Once Phantom Aqua is destroyed, the real Aqua is able to proceed on her journey.

Abilities
Phantom Aqua has all of the real Aqua's abilities, thus she wields a copy of the Master's Defender. In battle, Phantom Aqua teleports, creates doppelgängers, and spawns large ice crystals to attack her enemies. Phantom Aqua can also use the Spellweaver Command Style.