Fantastic Beasts: 5 Things You Need to Know About the Movie's Villain, Gellert Grindelwald

Albus and Gellert both wish to create a new order, where powerful wizards and witches peacefully reign over Muggles. While Grindelwald's reasons are much darker, Albus's stems from his younger sister Ariana's mistreatment as a child. After being bullied by a group of Muggles, her repressed magic becomes incredibly unpredictable, much like Credence's in Fantastic Beasts and Where to Find Them, and results in the death of Albus's mother. Since the whole ordeal nearly destroys his family, he wishes to save the rest of the wizarding world from the same fate.