Weak Mage, Divine Power

Once heir to the Layne family, Brandt was exiled after his uncle Cedric's massacre. Hiding in ruins for seven years, he mastered the Firmament Grimoire but believes he's weak. Seeking revenge, he triggers a family war. As Cedric joins the Abyss to become a demigod, everyone witnesses the terrifying power in Brandt's basic spells—except himself.