At Eighty, They Made Me a Talent. Why Fear My Reversal of Yin and Yang?

After transmigrating for eighty years, Lu Yuan came to terms with a cruel truth: while other transmigrators became dashing talents and lords of their domains, he had somehow ended up a completely useless old man in his twilight years. When his master’s entire family was wiped out, Lu Yuan was treated like an object and hauled off to an auction. In the end, two viper-tongued beauties from the Hehuan Sect bought him for a fortune. He was just moments away from being drained dry. At the brink of despair, a nine-story black tower appeared deep in his sea of consciousness. The former Demon Venerable imprisoned beneath it passed down the Yin-Yang Soul-Locking Art to him. From that moment on, the martial world was thrown into turmoil. Cultivators from the demonic sects, the demon race, and the righteous path all asked the same question: What kind of extraordinary art did this old man possess, that the sect mistresses of great sects, demonesses of foreign races, and even the lofty Empress would all willingly worship at the feet of his hemp trousers and become furnaces for him to cultivate with at will?