Three Kingdoms: Martial Arts System

Yuanshi Tianzun said to the protagonist that as long as you can achieve three things in the Three Kingdoms of Xia Realm, you can become an immortal. First, the martial arts has reached the second level in the world, unified China, third, and made an unprecedented great cause. The protagonist wants to try it, but who can give me a few sets of peerless martial arts that can grow? In addition, I have read a lot of history. Hey, hey, that female villain, please stop making trouble all the time... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.