A kryssid is any creature not related to a group of known living organisms, typically born of arcane means and originating from the Intangible Instance. Kryssids, though somewhat rare, appear everywhere in Solace, with no distinguishable patterns or seasons. It is believed they are created by the melding of souls that gain a living, physical vessel, allowing them to pass through the veil that separates the world from the Intangible Instance.
The physiology of these undocumented creatures varies wildly and does not seem to depend on the region they appeared in. They do not typically follow the laws of evolution or the food chain, resulting in low life expectancy or disruptions to the environmental balance, depending on the specimen's configuration. Because of this, kryssids can also be defined as an arcane biological anomaly caused by unknown conditions related to the Intangible Instance. It is debated whether their existence is a naturally occurring event, or a deficient product of the unrestrained use of magic.
In rare occasions, certain specimens have been able to reproduce and properly incorporate to the ecosystems they appeared in, earning themselves a place among documented species such as the Camoral. This tends to happen when a kryssid shares similarities to existing organism groups. Many specimens, however, tend to spawn as unidentifiable creatures with no resemblance to any other; certain documented examples have possessed deformed or nightmarish features, or exceedingly dangerous traits or capabilities that threaten the integrity of the ecosystem.
The intelligence of kryssids varies as much as their physiology, ranging from animalistic with functional or non-functional instincts, to complete sentience and intelligence, seen in specimens such as Zyrdia Rhinestone or Keet Cottonfeet. Most sentient kryssids hold no recollections of the Intangible Instance, lining up with the theory that people have come back from the dead through the same principle that creates these strange entities.
As arcane beings, many kryssids are capable of employing magic in varied ways. Intelligent specimens are more likely give practical applications to the arcane powers, making them significantly more dangerous than any natural predator. Hunting lodges are known to pay extremely high rewards to those who fell hostile specimens, though certain researchers insist on the capture of living kryssids to further study them.