Heaven and earth may perish, but I alone am undying—this is the Immortal God King.

The genius powerhouse William Reynolds, powerless to protect his family during a great catastrophe, is reborn five years into the past, carrying deep regret and unwillingness. The obstacles on the path of martial arts in his previous life, the regrets in family ties—only iron fists and burning blood can rewrite them. The path of defying the heavens can only be paved with unquenchable passion and an indomitable, immortal will!