They are a race of small energy beings. While most do appear in the form of a transparent grey generic humanoid, the precise form varies. They also vary in shades of grey and brightness.
A Wraith is unable to do physical harm in the real dimension, they are, however, it is capable of possession. Each entity adds their mana to their host’s mana pool and increases the host’s force rating. A Wraith can grant the possessed the ability to summon and control different entities. A rare few have other abilities. Wraiths value harmony between forces of good and evil. They believe one cannot exist without the other and that no being is pure good or pure evil.
Most only have a magic force rating of one. Over time they do increase.