Imagine a world irrevocably changed, where rifts in time and space unleash fantastical creatures upon the earth. From the celebrated author of "Unscientific Beast Taming" comes *The King of Beast Trainers*, a thrilling saga set in this extraordinary new era. Our protagonist, an ordinary individual, finds his destiny irrevocably altered by a cryptic "black card." This mysterious artifact designates him as a Beast Master, granting him the power to forge contracts with these otherworldly beings. He can command them in battle and harness their unique abilities. This marks his entry into a cutthroat world of competition and ancient secrets. *The King of Beast Trainers* masterfully blends elements of royal beast fantasy, online gaming culture, and spiritual energy cultivation within the framework of exploring dangerous secret realms. The novel explores themes of destiny, the ethics of power, and the profound bond between humans and creatures. Prepare to be captivated by a vibrant cast of characters, each with their own agendas and hidden depths, as they navigate this treacherous landscape. But, as the Beast Training Era dawns, one question echoes above all others: who will rise above the rest to claim the throne and become the undisputed King?