The Gorgon Lens in Ultima Online is a specialized item used to protect players from Medusa's petrifying gaze. Crafted by players with a high level of the Tinkering skill, these lenses are essential for those venturing into battles with Medusa. The crafting process requires materials such as crystal dust, which is obtained by farming crystal demons in the Prism of Light. Each lens can be applied to headgear or other armor pieces and provides a set number of charges that absorb Medusa's petrifying attacks, making it crucial for survival during the encounter​