Spiritual Energy Leaks, and Earth Enters the Age of Cultivation

The autonomous AI of the planetary defense system shoots down a spacecraft from outer space. Just as people prepare to salvage the wreckage for study, disaster strikes without warning. Electricity vanishes from the entire world. No one can light a fire, and the global temperature plummets by thirty degrees. Modern civilization collapses, and humanity is plunged overnight into an age of frozen apocalypse. Hundreds of years later, people in the cold, dark world begin to master mysterious powers, and gradually uncover the truth behind the spacecraft's crash...