Lin Feng, a civilian orphan, accidentally activated the ancient "Contract of Vientiane" and became the only Contractor of Vientiane who can contract with multiple sources of magic. In a world where monsters invade and factions compete, he forms a team to counterattack, slaps enemies in the face, reveals the truth about the disappearance of his parents, and finally kills the Lord of Demonic Erosion and protects the human federation. This is a passionate and exciting story.
