One of the harpies that plans to kidnap David Merlin and his assistant, Claudia. Both she and her partner, Tecos, believe in a prophecy stating that "whoever forms an alliance with the two earthling spellbinders will come to rule Otherworld."She appears in the episode "As If By Magic".
- Ephesos holds a "Nastiest Harpy Competition" between her and Tecos.
- She and Tecos are one of the few harpies with dark blue hair and wings.