Fang is Eryn's fencer partner. While their relationship starts off rocky, it eventually grows into a close bond between the two. Eryn deeply cares for Fang and is seen constantly worrying about him over the course of the Vile God route, wondering where he was at. Once she spotted him she was overjoyed, but then crushed to realize he had lost his memories of her. She is willing to sacrifice her physical body if it means Fang will be alive in the Goddess's route.
She is the only girl Fang is able to have a ending with in all three routes.