After Ascension, I Became a Big Boss by Analyzing All Things.

Zhang Lingjun ascended to the immortal world, but was demoted to the lowest level of handyman because of the "crude" skills in the lower world. On the day he received the broom and the uniform, the immortal official sneered: "Everyone who ascends is trash." He was assigned to carry dishes, sweep away scraps, and watch the immortals enjoying delicacies that he had never heard of before. Until the "Basic Internal Skills" that had been dormant for many years in his body started to operate automatically and began to analyze the laws of the immortal world—— [The secret method of brewing fairy wine, analyzed] [Fragments of ancient body refining techniques, completed] [The chain of rules in the scraps has been stripped] When the son of the Immortal Lord poured the immortal wine on his face, Zhang Lingjun silently wiped away the stains and lowered his head to cover the understanding in his eyes. It turns out that the skills, elixirs, and formations of the immortal world... In his eyes, they were all spelled out answers, just waiting for him to copy them. ———— This is the story of a "waste" handyman who became a saint by picking up garbage.