The Black Technology Cultivated by Cultivating Immortals

System: "This system has the most complete knowledge of formations in all worlds and can help the host become a formidable formation master!" Wang Tian: "Spirit Gathering Array? Automatically gather spiritual energy? Yes, the change is energy wave directional transmission technology, wireless charging is available!" System: "This system has the most complete weapon-refining knowledge in all worlds and can help the host become a weapon-refining master that others are vying to win over!" Wang Tian: "Flying sword? Floating in the air at will, commanding as you wish? Very good, the floating formation will be modified to use anti-gravity technology, and the city in the sky will be available!" System: "This system can possess the most complete alchemy knowledge in all worlds, and can help the host become an alchemy master respected by thousands of people!" Wang Tian: "Marrow-cleansing pill? Can it change tendons, cut marrow, and change one's body? There is a gene-strengthening medicine!" System: "..." Wang Tian: "Spiritual stones, strange fires, teleportation arrays... Great things!" System: "Host, don't be like this~"