This Life Is a 10th Circle Archmage

A brief description of the manhwa This Life Is a 10th Circle Archmage:

Leonard Felix, the continent’s top close-combat mage who relies on heavy fists over casting spells, falls in battle while failing to prevent the destruction of the world. Reborn as the youngest genius mage, he enrolls in the academy with a vow to save the world this time around. As he encounters forgotten prodigies and unravels hidden conspiracies, he uncovers a shocking truth: the world’s apocalypse was no natural disaster, but a meticulously engineered scheme. Armed with this knowledge and his powerful strikes, Leonard sets out to expose the mastermind behind the cataclysm and crush their plans once and for all. Show more