Who Says This Demoness Is Vicious? She's Absolutely Wonderful!

Su Mo transmigrates and becomes a medicine slave under the Ten Thousand Poisons Sect in the Chaotic Demon Realm, but to his delight, he gets a reversal System! Su Mo: What poison pill? It's clearly an elixir from the Grand Supreme Elder Lord! The Ten Thousand Poisons Sect, which everyone else avoids at all costs, becomes his personal sacred ground for cultivation! The ancestor of a rival faction: “This brat can't be allowed to live. I'll use a blood curse to wither his body!” Su Mo, whose body suddenly achieves sainthood: “What kind of good person would send me such a great boon?” The peerless Demon Emperor: “How can a human have such a freakishly powerful body? I'll sacrifice ten demon generals and use the Ten Directions Soul-Slaying Art to destroy his soul and condemn him to eternal ruin!” Su Mo, whose soul has suddenly ascended to sainthood, is startled. “Huh? There's another expert?” The most talented enchantress in the history of the Joyful Union Sect: “I've refined our sect's dual cultivation technique. It can not only drain a man's yang essence, but also steal his cultivation. I must find him and try it out.” The next morning, the enchantress lies limp in bed, her cultivation plummeted. “I can't take any more...” Years later, Su Mo leaves the Chaotic Demon Realm, and the major sects of the Central Plains brace for disaster. “It's over! That devil is coming for us!” Su Mo: ???