Quicksilver in my Blood, Mirrors in my Bones

Maybe she is dead and in her place is a girl made of silvered glass, only reflecting the person she's replaced. Maybe Sabrina Grimm died at the tender age of twelve and a half, trying to protect her sister. Maybe she's a monster. Maybe she's the thing that scares her most.

A Sisters Grimm Fanfiction: Sabrina didn't manage to use up all the mirror magic at the end of the Council of Mirrors. This was supposed to kill her. It did something else instead. Crossposted from AO3. Light Puckabrina