This is a different world where gears and runes dance, steam and spiritual power intertwine. Ancient machinery rumbles under the power of spiritual energy cores, and steel behemoths walk in the smog-shrouded wasteland. Under the forest of towering chimneys and pipes, ancient monks and emerging mechanics compete for the right to speak in the world. Mo Hanzhou was once a genius mechanic who was famous for a while, and he was also a deeply infatuated mortal. Seven years ago, in order to protect a city that was on the verge of spiritual collapse, his Taoist companion Su Li used his body to lure away all his souls and stabilize the rampaging spirit source, leaving only a cold body and a trace of the residual soul mark that was so weak that it was almost imperceptible. From then on, Mo Hanzhou took off his glory and hid in the dirty underground workshop, accompanying his lover sleeping in the crystal coffin. He frantically delved into forbidden knowledge, combined ancient spiritualism secrets with the most sophisticated psychic machinery, and forged the legendary miraculous creation-the Heart of Gears. He believes that as long as this mechanical heart that combines life alchemy and soul runes can be completed, it will be able to recall Su Li's soul that disappeared between heaven and earth, and give her eternal life and heartbeat. However, the core material of the Gear Heart has long been extinct with the loss of the ancient alchemical civilization. The only clue points to the Jedi known as the "Eternal Mist" and the forces that are eyeing it. Infatuation turned into paranoia, and hope almost went crazy. Mo Hanzhou left his remaining sanity and warmth to the person in the coffin, and then