Dominant in Martial Arts: from Prince of the Marquis to Number One in the World

A modern young man accidentally passed away his soul and died tragically in the mountains. After integrating the young man's memories, he learned that it was Su Yun, the second son of the Marquis of Yuncheng Town. There was a dagger stuck in his chest with the word "soul" engraved on it. In order to find out the cause of death for the original owner, he accidentally joined the assassin organization "Black Wind Pavilion". From then on, he started his counterattack in this world where martial arts is respected.