I can enter Hogwarts in the end of the world

Novel Summary

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.

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