Why Do I, the Bright Knight, Have All Zombie Skills?

War, dragons, holy religion, demons, domination... The master of sword and magic in the Middle Ages. Levi, who started as the Light Knight of the Holy Religion, awakened the zombie panel... As the eldest son of a baron, he is both a knight of light and the lord of the mining island. He cultivates wasteland, transforms industry, pushes across the kingdom's territory, and blasts all forces. All because the money-making game [Zombie Rising] created in his previous life became his system...