Weird Immortal Cultivation: I Use My Demon Body to Prove Immortality!

[No system + dark flow + demon cultivator + all evil people + weird immortal cultivator + demon cultivator + decisive killing + human nature is evil + flesh and blood evolution! [The protagonist is not the Virgin, not a labeled character, and her character will continue to grow according to the surrounding circumstances] In order to seek the way to immortality, Sun Tao, who awakened Su Hui, came to Antan to practice! By chance, he obtained a strange blood bead that could turn the demon's flesh and blood into materials for improving his cultivation. With the help of the blood beads, Sun Tao, who was showing his prowess, gradually began to spy out that An Optimus, who bears the name of the Immortal Sect, is actually a bloody devil's cave that is filled with evil light and treats practitioners as livestock! Using people as medicinal materials, refining elixirs, relying on people as consumables to improve skills... Is An Optimism really a well-known and decent family, a fairy sect? ... [Don't let Shennong enter! Not a cool article, the content is slow to gain popularity.