Solution

The method for separating a Rampager's mental corruption from a Beyonder characteristic… The Hermit Cattleya shot a glance at The World and guessed that he might've obtained one to two Beyonder characteristics that a Rampager left behind. In addition, one of them likely involved the advancement characteristic for The World or someone close to him.

This was a very easy inference since if one didn't use a Beyonder characteristic as the main ingredient of a potion, the mental corruption of a Rampager in it didn't matter if it was made into a mystical item. At worst, the negative side effects would be extremely strong, making it equivalent to a Sealed Artifact, but that didn't mean that there was no way of using it.

After adjusting his emotions, Klein controlled The World to answer hoarsely, "Write it on a piece of paper and pass it to me."