Spellbook Demonslayers is an exhilarating roguelite bullet heaven game that draws inspiration from the best elements of Vampire Survivors and Path of Exile. In this game, you are tasked with defending the Cosmic Library from a relentless demonic horde. To succeed, you must customize your playstyle using a variety of magic, charms, abilities, and even demon summoning, aiming to become the most powerful slayer the Library has ever known.