Sign in for Ten Years at the Beginning and Be Invincible After Exiting the Game

In the world of comprehensive martial arts, there are many dynasties. Qin Hao came through time and became the only male disciple of the Tomb Sect. He activated the sign-in system. From then on, there was no shortage of elixirs and magical powers, and there was an endless stream of beauties and princesses. I have the Nine Yin Manual, I have the constitution, I have the Great Return Pill, I have it, I have it, I have it all. Qin Hao signed in for ten years and has been invincible in the world since then. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.