Deep at the bottom of the valley, countless holes about a foot square dotted the rock wall, densely covering the entire bottom of the Ten Thousand Yin Cavern and making it look like a honeycomb.
Incense burners and stone sockets were set among them, some upright and others slanted, most holding spirit incense.
Mysterious spirit resonance emanated from them, making the surrounding heaven-and-earth origin energy more active and easier for newborn ghost spirits to absorb.
The Myriad Spirits Sect cultivator from earlier led his attendants and the newly recruited ghost spirits inside, explaining various precautions as they walked.
"For ghosts like us, the true difficulty in cultivation lies not elsewhere, but in the nourishment and protection we need in these early stages.
"After all, only those with powerful souls or an enduring obsession can retain their yin souls after death and combine them with yin baleful qi to refine a physical form.
"The vast majority of our kind perish shortly after birth, exposed to the blazing sun or struck by heavenly lightning and earthly fire.
"But the Ten Thousand Yin Cavern was always a treasure ground with favorable geomancy, suited for ghosts to recuperate in. There is no sunlight anywhere in the Underworld, either, so there is no need to worry about those mishaps.
"Burn a stick of spirit incense here every three to five days. Those of you on duty must remember to take turns replacing it. Continue nourishing them for three to five months, and new disciples can generally develop rudimentary forms within that time. Only then does true lunar yin body refinement begin, condensing a ghost body.
"This step corresponds to late-stage qi refining for Immortal Dao cultivators. With the various secret spirit incense formulas bestowed by the Immortal Venerable, all our disciples should be able to