The human skin paper is yellowish, and what's recorded on it is the method of refining Demon Monsters.
A series of cruel illustrations describe how to dismember humans and Monster Beasts, maintaining a certain level of vitality, and how to sew them together according to a certain protocol. Finally, using human resentment, the Monster's ferocity, human Spiritual Power, and the Monster's demonic power, they hatch and fuse into a brand new, deformed, sinister, and powerful Demon Monster...
"It's time to change a body..."
Mr. Tu muttered.
His whereabouts have already been exposed, and the existing body bears karma, it will be tracked, will be detected.
And moreover, this body has been used for too long, already turned a pale deathly grey.
The crafty hare has three burrows; now is the time to prepare another body.
Mr. Tu turned to the last page of the illustrations.
The last page was a manuscript.
