A Harry Potter x Frieren crossover where Frieren replaces Albus Dumbledore. As the headmaster of Hogwarts and Minister of Magic how will Frieren affect the main story of Harry Potter? Who knows? Enjoy! Cross Posted to Ao3

When an ancient evil discovers dimensional travel it will join with evil and the righteous will be forced to grow and connect with others while the middle man will be forced to either sink and submit or evolve beyond all.

The world has changed over many Millennia. Kingdoms rose and fell. Legends left their marks on history and then faded away. So much has changed that it wouldn't be out of place to call the distant past a different world. And when the desperate pleas of a headmaster reach the ears of an elf who lived through change. Well, maybe it would be fun to be a teacher again.

Between working on her projects and reading whatever caught her fancy, Frieren simply didn't have the time to worry about mundane things like doing her homework or attending classes. Her teachers unfortunately failed to understand this. Even worse, it was usually Fern who they roped in to keep her in check! Just this once, however, earning herself detention might be a good thing...