Assassinated at the Beginning? I Was Promoted to Martial Arts Master!

[Invincible + beautiful woman + cool article + horizontal promotion + decisive killing] Yang Chen, a social beast, accidentally traveled to the Daqian Dynasty that did not exist in history. Good news: He has become the crown prince of Daqian's backing palace. He is also the only member of the palace, and his status is respected. Bad news: He traveled through a fantasy world where martial arts was respected, but he was born with a useless body and a useless martial artist. What's even more terrible is that the only grandfather who can protect him has not been heard from since he led the army on an expedition three years ago, and his life or death is uncertain. Because of this, Yang Chen was repeatedly plotted and murderous. Even his childhood sweetheart and fiancée came to break off the engagement. Fortunately, Yang Chen activated the god-level sign-in system. As long as you sign in at different places, you will get generous rewards.  [Ding, congratulations to the host for receiving the reward: special physique - a gift from heaven! [Ding, congratulations to the host for receiving the reward: a sixth-grade elixir—a martial arts master's cultivation! [Ding, congratulations to the host for receiving the reward: the ultimate earth-level martial skill—Dugu Nine Swords! .....