The Devil King was ultimately defeated by a human warrior, leading to the loss of his castle. Due to the battle's aftermath, he now has abilities that cannot be restored through regeneration. To make a living, the Devil King worked part-time at a convenience store, where he often faced humiliation in front of customers. The stress took a toll on him, causing hair loss and the end of his relationship. He became desolate and despondent upon discovering that Humans were also tormenting his people. Thus, he resolved to confront the Human hero and reclaim his castle!

The game features distinctive graphics, with the Devil King at the center of the action. This signifies that you're playing as the demon king, and the antagonists are likely humans with extraordinary powers. The game's simplicity means there's no instruction manual. Once registered, you gain full control of the Demon King. However, to succeed, you must adhere strictly to the game's rules. The Devil King's potential for evolution is virtually limitless. You can level him up as many times as you desire! Unique and dependable companions with remarkable skill sets accompany you!

To progress to the Succession stage, the Steel Knight on the hundredth floor must be defeated. Every 10 floors after the 100th, if you've previously defeated the boss monster on that floor, you'll earn a Devil King's Signet. The higher the floor, the greater the likelihood of finding a Devil King's Signet. There is a cap on the number of Soul Stones that can be gathered before you can evolve your character's Soul Gauge. Each of our allies has a distinct set of formidable abilities that distinguish them from others.