An electric worker traveled back to the world of immortality and discovered that the so-called "spiritual root" was electrical conductivity and the "gong method" was a circuit diagram - he chose to use high-voltage electricity to overcome the tribulation.
Immortal cultivators discovered that "spiritual power" is actually an energy field left over from a certain advanced civilization, which is decaying
The sect used spiritual stones to generate electricity and formations as chips, and developed a deformed "cyber cultivator"
The low-level monks are selected based on their "spiritual root fitness", and those with low fitness become "battery people"