From DDO wiki
Monster Manual classification: Unknown
Alignment: Neutral Evil
Boss: Purple Named - Powerful Boss
CR: Based on level:
- CR 7 at level 1-8
- CR 21 at level 15-19
- CR 26 at level 20-25
- CR 31 at level 26-30
- See Invisibility
- Resists/Immunities: - When the light in the chamber is off, ~100 resistance to all elements (CR21 version tested). When the light is on, it has none.
- DR: - When the light in the chamber is off, DR/1000. When the light is on, none.
- Healed by negative energy
- Freezing Aura: reduces movement by 25%, attack rate by 15%, gives vulnerability to cold, gives -1 penalty on attack rolls, AC, and reflex saves from the cold, and cannot tumble.
Habitat: Mabar Endless Night Festival
The Spectral Dragon, Eternity, can be slain to acquire