Reborn: I Use High Technology to Cultivate Immortality

After dying suddenly from working 996, a programmer transmigrates to a world of immortal cultivation with a head full of "modern knowledge." While everyone else is still painstakingly practicing their techniques, he is already using physics to analyze spells, management theory to run a sect, and biology to improve spirit beasts. In the end, with a theory of "dimensionality reduction," he forces the gods of this world to step down.