The series is set in a world where the Greek Gods ... are plenty more mythology-inspired characters hitting the smaller screen, including a fun trio known as The Gray Sisters.

Eris was the personification of strife and discord in Greek mythology ... of Phorcys and Ceto and one of three sisters called the Graiae or Grey Sisters. Old women from birth, the three shared ...

Part 2 Hermes intervenes with the information that Medusa's whereabouts can only be determined by talking to the Three Grey Sisters - so the two of them go off to find them. The Three Grey Sisters ...