Shen Fei sat cross-legged on his bed, a Bronze Rank Shadow Wolf Demon Spirit cupped in his left palm as he drove the Dark Prison Reincarnation Art to its limit. Dark Attribute Spiritual Power flowed endlessly out of the Demon Spirit, surging along his meridians into his dantian and merging with the Spiritual Power already there.
The first Demon Spirit was soon completely refined. The black crystal in his palm dimmed, its surface covered in fine cracks like a withered stone drained of all its nourishment.
Shen Fei set it on the edge of the bed, picked up a second Demon Spirit, and held it in his palm, continuing to devour and refine it.
The Shadow Mantis stretched its Blade Forelimbs within his Soul Sea. The incoming Darkness Spiritual Power was filtered and compressed by the walls of his meridians, becoming docile and obedient by the time it reached his dantian. It flowed along the Demon Spirit's joints into every corner of its body, making its spectral form a little more solid.
When he finished devouring the second one, Shen Fei sensed something unusual.
The sensation was faint, like an incredibly fine needle lightly pricking the edge of his Soul Sea. It did not hurt, but it carried an inexplicable sense of wrongness.
He paused for a moment and carefully examined the condition of his body. His Spiritual Power circulated normally, the walls of his meridians were undamaged, and the Shadow Mantis was in good condition. His Soul Sea was as quiet as a deep pool untouched by wind.
Reassured, he dismissed it as mild discomfort from devouring two Demon Spirits in succession. Without dwelling on it, he reached for the third Demon Spirit, held it in his palm, and continued circulating his cultivation art.
The third, the fourth, the