| Category | Resources |
| Type | psychic energy storage |
| Source | the Xorn of the Sands of Hell |
The psychic energy storage capacity of deep crystal can be doubled. Xorn cysts originate from the Xorn inhabiting the Sands of Hell. Incapable of fully adapting to their surrounding environment, the xorn develop protruding cysts.
The Creation War, spanning from 1486 DE to 8777 DE, necessitated that the Knudmid harvest the cysts growing on the bodies of the Xorn people, a task most found deeply unpleasant and demeaning.
Psi-Claws, the colossal psionic scorpions of the Sands of Hell, emerged from giant scorpions consuming nascent xorn cysts.