- "We can’t run. Eyghon will find us. This mark might as well be a homing beacon."
- ―Ethan Rayne[src]
Those tattooed with it shared a psychic link with Eyghon, allowing him to track them, and others bearing the mark. The proximity of Eyghon caused the mark bearers to experience flash-like visions when sleeping. A mundane laser removal was enough to cease the connection, as Buffy Summers did when Ethan Rayne tattooed on her without her consent.
- "The Dark Age"
- No Future for You, Part One
- Death and Consequences, Part Two
- Death and Consequences, Part Three