Beast Control: Start with a Ghost Wolf

During the contract ceremony, Lin Yan bound a thin ghost wolf. Everyone laughed at him: If he chooses a useless beast, his life will be over. He also thought he was finished. Until the dark shadows of the Divine Bone Society came to the door, his ghost wolf yawned and swallowed up the "existence" of those shadows. My father opened the dusty file and pointed to the line "Contact Person of the Seventh Category": "Your dual soul cores are the mark of the door. Its scars are the fragments of the door." Deep in the northern glacier, the door that has been sleeping for 473 years is slowly opening—— The gatekeeper is dead. The key has not been completed. How much time is left in this world?