Long Yuan, who time-traveled into a fantasy world, bound the "Strongest Guardian Beast" system and became the guardian beast of a certain faction. Until this day, an injured old man broke into his territory! "Human, from today onwards, this seat is the guardian beast of your Chu family!" From then on, a guardian beast that makes the heavens tremble and a family like a master of ten thousand realms began their rise! After endless years, when darkness descends once again and disaster shrouds the earth, a giant dragon suppressing heaven and earth leads an invincible family to carve out a bloody path from the darkness!