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: 8 - Words: 28,182 - Reviews: 142 - Favs: 846 - Follows: 1,297 - Updated: 6/3 - Published: 3/26/2019 - Harry P., Thor, Loki