The new Mystic Ruins deck featured in this expansion allows investigators to explore Chichen Itza, the Easter Islands, Stonehenge and the Great Wall of China. New Glamour Spells and Relic Unique Assets offer you powerful tools in the struggle against a new Ancient One, and four more hardy investigators dedicate their lives to saving the human race. Four additional Prelude Cards introduce fresh scenarios and quests, transforming your games of Eldritch Horror.