Come to the City of the Alchemists to complete your Magnum Opus, your Great Work, outshining those of your rivals!
Under the reign of Rudolf II, Prague was a capital of the occult arts. Alchemists and personalities from all walks of life rubbed shoulders there. On the square of the astronomical clock as in the famous golden alleyway, good encounters allowed alchemists to acquire their mysterious components during skillful negotiations. The Emperor, a great lover of esotericism, intervened by influencing the actors of these brigues. He made his wishes known through a messenger carrying an enigmatic seal representing an Ouroboros....
With Magnum Opus: The Great Work, immerse yourself in Prague during Renaissance. Ask influent characters for the favors they can grant you, purchase alchemical ingredients or hinder the progress of your opponents and gather your needs to complete your Magnum Opus!
—description from the publisher