One of the three Societies of Dereth, along with the Celestial Hand and Eldrytch Web, first mentioned in the Investigate the Factions quest added during the Introductions event. For more information read Tenets of the Radiant Blood.
Leader: Nuhmudira
Known Members (NPCs):
| Name | Quest | Title |
| Jawaq ibn Janath | Investigate the Factions | Scout of the Blood |
| Vierana du Canamorra | Investigate the Factions | Blood Recruiter |
| Kelan Raven-Eye | Investigate the Factions | Blood Archivist |
| Lacarra Avanthi | Disturbance in the Ley Lines | Blood of Truth |
Principles & Philosophy:
- For the advancement of Isparian power and control of Dereth at any cost.
- Wishes to harness the power of the Ley Lines to:
- Unspecified.
- Openly against the Empyrean Race and Asheron and views the possibility of the return of the Yalain as especially threatening to the safety of the Isparian.
- Openly against the monarch of New Aluvia, Elysa Strathelar.
- Not in support of New Viamont or Varicci di Corcosi II.
Criticisms:
- The Tenets of the Radiant Blood State, "One must be willing to sacrifice anything and everything, including one's own life or soul, in advancement of the greater good."
- The Blood's leader Nuhmudira is a divisive character.
- Openly practices Blood Magic, and has sacrificed her own loyal followers in Blood Rites.
- Seen as self-centered and power hungry by some.
- Mental state is still unclear after her mind link with the Ancient Olthoi Queen.
- Conspiracy theories involving Nuhmudira forming the Radiant Blood only for personal gain, or to gain willing sacrifices for her Blood Magic.