Assassin's Creed follow a centuries-spanning conflict between the Assassins, who seek to promote free will and thwart the control of the Templars, who strive for order through domination. The story follows skilled Assassins, often reliving memories through a device called the Animus, which accesses genetic memories. The overarching narrative revolves around the struggle for powerful artifacts known as Pieces of Eden, which hold immense influence over humanity. Across various time periods, from the Third Crusade to the American Revolution and beyond.