Demon Tomes
Supreme treasures born from the unique system of the S-01 world.
In the early days of the world's birth, the Black Tower had attempted to copy and replicate the Demon Tomes, but all efforts had failed... Only later did they finally confirm that these were products unique to S-01, and that only extreme beings like aberrations could possibly read and cultivate them.
To other lifeforms, Demon Tomes were more potent than poison.
These Demon Tomes had not been personally written by any ancient Old King. Rather, they were closely tied to the chaotic essence of the world.
The origins of most of them were unknown.
By the time they were discovered, they had often already wiped out an entire civilization.
Some had even transformed an unknown planet into an extremely dangerous forbidden zone capable of threatening aberration populations.
Others had, upon being written, directly stripped away an entire planet and its surrounding space, leaving them adrift in spatial fissures until an Old King happened to glimpse them.
"Corpse Eater Rituals"
It was discovered during prehistoric times on an ecological planet dominated by humans, hundreds of thousands of light-years away from Earth.
At the time, humans were merely considered a race of high intelligence but incomparably frail bodies, ranked very low... That planet was likewise classified as inferior.
One day.
That inferior planet, inhabited only by humans, experienced a series of aberration deaths, each one particularly gruesome.
Several aberrations sent there by Old Kings to develop human followers were devoured by the basic instructors they had cultivated. By the time they were found, even their corpses had been eaten clean.
This incident alarmed the beings within the Void.
When the planet was reassessed, they found that its Chaos Index had increased several hundredfold, and its danger level had even