The mighty Rama Kingdom, which had expanded its vast territory in a single generation, faced turmoil when its king suddenly fell ill. Rebellions erupted in various regions, gradually uniting into a powerful force that threatened to destroy the entire kingdom. However, in an unexpected turn of events, the rebel army was suddenly attacked by an undead army. The undead forces overpowered the rebel army, and the Rama Kingdom found itself saved from the brink of destruction. Only a necromancer, shunned for wielding such taboo power, could command an army of the undead. Both the Rama Kingdom and the rebels set out in pursuit of the whereabouts of the unknown necromancer.