Emerald Eye of Ekron

The Emerald Eye of Ekron was a powerful and mystical eye-shaped item controlled by the Emerald Empress, leader of the Fatal Five. It was capable of shooting mystical energy blasts, capturing her opponents, and teleportation. It was once belonged to an ancient Green Lantern construct called Ekron, a sentient floating island on the lost planet of Venegar (sometimes called Vengar).