Back then (thanks to Still Chasing the Sun for the silver alliance donation to Fate Ring)
"Besides reincarnation and transmitted teachings, the 'Great Art of Concealing Nature within the Mystic Pass and Retaining Awareness through Tribulations' can also be used for body-snatching rebirth. For a cultivator, this is actually the best choice. At least, that is what a heretic like me thinks.
"Body-snatching rebirth does more than move the divine soul into a new dwelling, bringing along knowledge, experience, spirit, and consciousness. It can transfer your martial arts as well. According to the circulation method in the manual you hold, it should convert true qi into primal power and lodge it in an external illusory aspect. During possession, that external illusory aspect transfers along with you. Once the divine soul takes control of the flesh, it feeds the primal power back into the body to reshape it, condense apertures, and create internal organs.
"This resembles One Step to Heaven, except it takes a year or so to complete rather than happening in a single leap. Still, it spares you the hardship of cultivating all over again.
"Body-snatching rebirth also requires no passage through the Netherworld Calamities or the womb tribulation. You need only pass the sea of consciousness calamity. If you lose yourself in it, you will merge with the dwelling's owner's spirit, consciousness, and a small portion of their knowledge, losing yourself and forgetting your past. You may become an imbecile, or believe yourself to be the dwelling's owner suffering from disembodied soul syndrome.
"Before Jiang Cheng tried to possess you, Second Brother, he prepared against failing the sea of consciousness calamity by writing out the complete 'Great Art of Concealing Nature within the Mystic Pass and Retaining Awareness through Tribulations' and leaving a letter explaining his circumstances. Who knew things would develop beyond his expectations? He even forgot where he had put those two