Born with a catastrophically unstable mana core that detonated upon awakening, Isaac von Goethe caused horrific casualties among his own family, forcing the Margraviate to banish him into a solitary subterranean prison for sixty agonizing years. Through decades of isolation and relentless torment, Isaac achieved what no sorcerer in history ever could: taming the apocalyptic mana surges to master the legendary 10th-Class realm of magic. Just as his aged body collapses, a temporal miracle resets his life, regressing his consciousness back into his 12-year-old self moments before his fatal mana explosion. Armed with 60 years of supreme arcane enlightenment, Isaac stabilizes his body's core and steps forward to safeguard the frontier border from ravenous abyssal beasts, corrupt imperial inquisitors, and the tragedy that once doomed his lineage....more