The Emerald Empress is Sarya. She is a supervilainess.She employs a powerful mystical item called the Emerald Eye of Ekron, an approximately 2' diameter sphere that obeys her mental commands. The Eye can fly and emit blasts of energy, and allows the Empress to fly as well as survive in space. The Eye's residual energy also gives her super-strength. It causes her to grow to gigantic stature.She is an enemy of the Legion of Superheroes.