Rejected by Light, Crowned in Undead

Liam Cole bonding with an S Tier Luminous Dragon. But when his stepbrother, Ethan Cole, hatched a Goblin Skeleton, Liam’s parents forced a swap. Humiliated, Liam awakens the Undead Cataclysm system with a fury. However, that “worthless” skeleton evolves into the Skeleton King, commanding an army of Skeleton Dragon and Bane Lich When Ethan realizes the power he unknowingly handed over, will he beg for forgiveness, or run for his life?