Archmage of All Worlds: Beginning from Harry Potter

A surprising event transports college student Owen to a different world.
With nothing but his talent for learning and growth, he must face the challenges ahead.
No system, no wise old mentor—just pure talent as he embarks on the path of becoming an Archmage.
Using willpower to manipulate the rules, and wisdom to decipher the world, he rises from mere mortal to stand among the gods. Only a mage can achieve such a feat.
Harry Potter, World of Warcraft, Marvel, Type-Moon, A Certain Magical Index... Countless dimensions unfold before him.
Mastering the secrets of magic, accompanied by beautiful companions.
And it all begins in the world of Harry Potter.