Most Faithful Mirror (слэш)

It took him a few seconds to realize the mirror image of himself crouched in front of him was neither an hallucination nor a product of malfunctioning magic. The frozen time poured out from the figure, ripples in a pond.
Loki’s voice cracked in his ears. “Who?”
“You know who I am.” The duplicate spoke with his own voice.
Loki smiled at the other. “Actually, I don’t. There are too many possibilities.”
"I am Loki."
 
With a broken heart and tenuous sanity, Loki must face the inevitable. No one can help him now, so he'll just have to help himself.