Displaced from her own universe, and kept a slave for many years, fem!Harry Potter, Rose, eventually winds up on Sakaar. There, while a certain God of Mischief is looking for an ally, he encounters her, and saves her. However, this creates a Life Debt between the two, and forces Rose to go along with Loki's plans. What plans, you might ask? Save his brother and save Asgard. Maybe.
Crossover - Harry Potter & Avengers - Rated: T - English - Adventure/Fantasy - Chapters: 11 - Words: 35,170 - Reviews: 199 - Favs: 1,195 - Follows: 1,781 - Updated: 8/16/2021 - Published: 3/26/2019 - Harry P., Thor, Loki