Aurelia's Reckoning : The strongest swordmaster of Aetherion

In the kingdom of Elyndor, where magic is the source of life, Celester Knights are granted high privilege and known as the saviors of the Aetherion Empire.They fight against the Deadly Sins and corrupted beasts that emerge from the Void Realm every five years.Caelum, a commoner had no power, no wealth nothing but his life changes when he inherits the powers of Archangel Michaelos and Ophanim Spawn.Now, he possesses immense power but he's still weak.To survive and to become a true Celester he must grow stronger.

Can he?