1 Work by mxedberries in Charmed (TV 1998)
In "All Hell Breaks Loose" Prue had been taken away by Cole to a healer, instead of dying. After escaping, Prue finds herself in Beacon Hills. There she meets a young untrained warlock named Stiles. He joins her as she makes the journey back home after she hears the call of the spell 'To Call a Lost Sister', along the way she gathers more magical beings and inadvertently find Paige. Together the sisters found a school. Unfortunately the sisters are targeted and Paige dies. Stiles goes dark side trying to find away to bring back Paige.
Day One:Dark Stiles/Magic!AU
Teen Wolf/Charmed Mashup AU featuring white-lighter warlock!Stiles who falls for demon!Peter.