Demonicon tells the tragic story of a brother and sister who become pawns of sinister forces in a world of cruelty and depravity. In this bleak yet magical world, their affection is both a blessing and a curse. Both are constantly threatened by mortal danger and demonic temptation, and must find a way through their tortured lives by facing serious moral decisions. Their common destiny will determine that of the entire continent, and will be decided by the choices they make. Hordes of fiends block their way to freedom and peace, and only through battle and magic they will truly become free of the darkness.