The Sword Master Returns and Cuts the Sky with His Sword

Protagonist: Lin Chen, the number one swordsman in the Jiutian Continent in his previous life, was betrayed by his love and brothers. Before his death, he was reincarnated with his natal sword fetus and the true knowledge of eternal swordsmanship. He became a useless member of the Lin family in Qingyang City, and his soul carries the complete inheritance and memory of emperor-level swordsmanship. World view: Jiutian Continent, where martial arts is respected, is divided into three planes: the mortal world, the mysterious world, and the heavenly world. The mortal world is divided into five major domains. There are many sects and dynasties compete for hegemony. Martial arts cultivation is to temper the body → gather energy → connect to the mysterious → spiritual sea → king → emperor → saint → emperor realm → Jiutian Supreme