Sui (砕) is a member of HRMC and a member of Team Helion participating in the Gryps.
As a member of HRMC, Sui wears the HRMC uniform.
Unlike the other members of his team, Sui doesn't like being around people, and almost always hides himself in his invisibility.
Invisibility: Sui is capable of turning himself invisible but it's currently unknown whether it's a Dante ability or caused by some other means. Nevilleworth referred to it as ongyou (隠形) and was impressed that Nina was able to notice his presence.
Genestellar (星脈世代): As a Genestellar, Sui has enhanced physical ability and an aura known as prana.