View source for Calico Stone

The Calico Stone was a residuum-infused astral diamond. It was famous throughout history as a magical focus, priceless artifact, and treasure beyond compare. The Calico Stone was used by many spellcasters, including [[Mordenkainen]], [[St. Raelyn Lionni|St. Lionni]], and Armentarius the Transmuter. In the Green Timeline, it was used by Keela the dragon to summon Vecna to the Material Plane.