Villain: After My Death, I Was Refined into a Sword Box

[Villain + Empress + Systemless + Yandere + Darkened + Invincible] After Chen Yu died of cancer, he traveled to another world and was picked up by his master Shi Qihan to retrieve the Qiankun Sect in an abandoned village and became an outstanding young swordsman. Here, he thought he could pursue immortality and open a new chapter in his life. But the legendary senior brother appeared and broke Chen Yu's dream, and everything began to change. Everyone misunderstood him and slandered him. Chen Yu went from a famous swordsman in the Qiankun Sect to an outcast that everyone despised. Despite being criticized in every way, when the beasts attacked the Qiankun Sect, Chen Yu still died in the Qingyang Pass of the Qiankun Sect. Hundreds of years later, he opened his eyes again in the ruins, only to find that his body and soul had undergone unprecedented strange changes.