blackandpurple layered halloween cocktail

elegant halloween cocktail black purple layered drink spooky festive pumpkin orange accents dark gothicinspired glassware chilled ghostly skeletal elements decorations maraschino cherries edible glitter sugar rim liquors cranberry juice cointreau simple syrup fresh rosemary sprigs sparkling water frosting effect blood slices garnish party witchs brew hauntingly delicious mystical taste magic potionlike spirits boozy beverage adult