Corpse Training: Where Have My Three Souls and Seven Souls Gone?

The road to heaven is cut off and the door to hell is sealed! There are no traces of immortals and Buddhas, and evil spirits are everywhere. In this treacherous world, thousands of immortal practitioners are feasting on the clouds and drinking the dew, and what they tirelessly pursue is nothing more than the four words "immortality"! And I, a corpse, seem to have achieved this goal to some extent... But where have my three souls and seven souls gone?