My Alchemy Will Never Fail

Zuo Yi traveled to the world of mortals cultivating immortals, carrying with him a "big stomach bag" fully automatic alchemy furnace. No matter what kind of treasures, materials or remains of monsters and beasts are fed into the "big stomach bag". Click, click, click! When you spit it out, you will get the best elixir, with a 100% success rate in refining the elixir, and the ultimate quality of the elixir! Zuo Yi was ecstatic, the days when he could drink Lianqi Powder like milk and chew the Foundation Establishment Pill like jelly beans were just around the corner! ... Mahayana cultivation was right in front of him, Zuo Yi quickly tried it. "Bah!" The "big stomach bag" opened his mouth and spit out a hot lump on Zuo Yi's face. Zuo Yi was immediately dumbfounded. "Isn't that the promised fully automatic alchemy furnace? What is this black charcoal?" Zuo Yi blushed and cursed at the "big stomach bag". ... "What? You can't make an elixir without a recipe? Are you doing your own thing by throwing ingredients around without understanding pharmacology?" "What? The materials are too rubbish and leave some residue behind? Do I have to grab the treasures of heaven and earth myself?" "Then I am doing nothing right now! I have only reached the third level of Qi refining stage after traveling through time. Who is a good person who would take the initiative to give me heavenly materials and earthly treasures?" Zuo Yi was about to cry but had no tears, so he collapsed on the ground... ... (The new author dreams of having many completed old books. Stubborn Bronze is guaranteed to be updated, so everyone must eat with confidence~)