Mona

Mona is a side-character in “Wilder Girls”. She is described as having red hair and a heart-shaped face.

Mona's final appearance is when Hetty and Reese go to the Harker House in search of Byatt. They see Welch and Taylor dropping off a body bag, which they soon discover contains Mona's corpse.

Tox

 * "I remember how her face steamed and cracked that day, how they carried her to the infirmary with a sheet over her like she was already dead. Now she has a lattice of scars across her cheeks and the beginning of an aura to her hair." Page 11
 * "“And that’s when they slice, three deep cuts on the side of her neck, like gills. No blood, just a pulse in them with every breath,, the twitch of something moving under her skin. Mona doesn’t scream. Doesn’t make a noise, She just drops. Flat on her back, mouth gasping open. She’s still looking at me, her chest rising slow." Page 21