"Raine?" Mercy doesn't know the other witch well, but she knows of them via Eda. And just being neighbors at Bonnie's Flophouse. It's in said Flophouse where she approaches them, just come down to the kitchen to see about making some dinner for herself and anyone who might be around.

She spots them standing near the door, but they seem... exhausted. Utterly so. Mercy reaches out to try to tap them on the shoulder. Just a light touch, really. "You feeling okay?"