The System Has Not Been Activated Yet, but I Am Invincible

[System activation, countdown: 155520 hours! After traveling through time, the system has not been activated yet. In his mother's womb, Xu Mo absorbed the essence and blood of the four sacred beasts: Qinglong, White Tiger, Suzaku, and Xuanwu, and even devoured the [Dao Stone Fetus] and other peerless treasures. When you are born, you have the ancient body. With a small amount of cultivation, you can dream back to ancient times and compete with endless powerful men in history. … When the countdown to system activation reached zero, Xu Mo was curious about what use this dog system had. System: "Congratulations to the host for binding the God of War system, and a gift package for newbies..." The sound of the system is getting weaker and weaker. The system asked in a low voice: You are already invincible, do you still need to be bound by me?