Zhou Yuan is the youngest assassin in the Blood Shadow Tower, but he has a secret identity: he's an undercover agent. Ten years ago, his master sent him to infiltrate the Tianyuan Pavilion, the number one demonic sect in the martial world, and wait for the right moment. But just as he finally earns the Pavilion Master's trust, an unexpected turn of events changes everything. The Pavilion Master is assassinated by a mysterious organization called Xiaoyao, and Zhou Yuan unexpectedly obtains a mysterious Devouring Stone. The stone can devour any matter or energy and turn it into power of its own. From then on, he sets out on a path of no return: acting as an assassin while doing the deeds of a hero, and stirring up turmoil in the martial world while posing as an undercover agent. Meanwhile, the mysterious organization known as Xiaoyao is quietly making its own moves. A shocking conspiracy that will engulf the entire martial world is about to come to light. Zhou Yuan, the young man thrust into the eye of the storm by fate, how will he carve out a path through this chaotic age?
