In an ancient world where supernatural powers shape the fate of kingdoms, Steven, the despised son of a duke, struggles with haunting dreams and his inability to harness the common power, Dale. After failing the Knight Academy entrance test, Steven is abandoned by his family and encounters Martin, a mysterious and ancient warrior. Martin reveals the existence of Dest, a unique power system passed down through generations, and trains Steven to prepare him for the impending rise of the demon lords, the Villes.