New York City, 1904. What appears to be a simple carnival and sideshow on the outskirts of Coney Island turns out to be much more than it seems to its latest addition to the carnival's close-knit family. Rooted in historical events, characters, and theology, Halcyon gives a unique perspective to the fantasy and horror genre. Dive deep into the mystical, the terrifying, and the unknown as the mysterious Professor Paimon offers you a contract you can't refuseā¦