The Strongest Alchemist in History

Du Yuhua, a virtuous young man, accidentally transmigrates to a fantasy world overrun by demon beasts, where cultivators reign supreme. He also gets a useless System that only lets him practice alchemy, forging, and painting, along with a few weapon techniques. What Du Yuhua doesn't know is that all the pills he makes have gained sentience. Whenever he leaves the house, they transform into phoenixes, qilins, flood dragons, and all kinds of spirit beasts, then start plotting which sect's female disciple to abduct that day...