Art by  FoxpawMcFly, originally posted here
Dusk belongs to me, Mirage belongs to the corporate mouse

Sequel here (Mature)

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"Ah, the spirit thinks he can out-fox Mirage? How foolish! If a costume is what you desire, a costume is what you shall become!" Mirage let out a hauty laugh, having cornered Dusk in the temple. He grabbed the only thing in reach, a mirror, keeping it hidden behind his back as he charged it with his own Penumbral energy.

"How's that old saying go, Mirage?" He chuckled as she fired her magic at him. He whipped out the mirror to reflect it, charged with his own power as her magic rebounded on her, beginning to turn her into a a suit, not reflecting Mirage's true visage, but one of cloth and foam.

"I know you are... But what am I? I guess the answer to that question..." He sighed in relief as he stepped over to her body as it shrank into a pile of fabric, eyes full of fear and confusion as she deflated, eyes hollowing out. "Is you."