I can enter Hogwarts in the end of the world

At first, Ian was desperate to travel through the apocalypse...

Until he found out he could get into Hogwarts and become a wizard.
As the only transcendent, he said that the end of the world is really fragrant, and a whole world of resources is waiting for him to develop and control.
Potion? Alchemy? It doesn't matter if you fail, just use resources to smash it all out.