What the Hell, Start with a Book and Become Omnipotent in Seconds

Qin Feng, who was determined to venture out, unexpectedly discovered that an ancient book with a yellowish cover left at home had the ability to excerpt all things. What kind of scrap iron and broken sword could turn into a peerless magic sword in an instant, or a lost elixir? Directly turn waste into treasure, and a brand new prescription appears out of thin air