The strongest human warrior, Ang, who was on the verge of death, inexplicably travels 60 years into the future. Within him lies the double-edged sword of the "strongest demon's" power. To atone for his regrets and uncover the truth, he must continuously "evolve" to escape his past fate. Ang: "I won't be a demon trapped in a bottle; to escape, I must first rely on myself!"

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