sentences:  Unlike common Horrors, having been exposed to Eyrith's power, their personalities are dominant over their human hosts to the point where they won't recognize people the humans had known.They cannot be sealed within Makai Blades when vanquished and their essence congeals into stones.Mayuri is sent by the Senate to seal these stones due her power to seal Horrors within her body, using them to reform the Ady Slate after Eyrith is defeated.