Nyx the Shadow

Nyx the Shadow (died 431 BCE) was a member of the Cult of Kosmos and the leader of the Eyes of Kosmos branch during the Peloponnesian War.

She was eventually hunted down and killed by the Spartan misthios Kassandra on her quest to destroy the Cult.

Trivia

 * Nyx, Νύξ, is the Greek goddess of darkness.