whimsical witch silhouette brewing potion crescent moon - spooky halloween event decor marketing materials

witching hour fantasy art celebration night sky background circular dark blue seasonal artwork illustrative fun creative festive atmosphere gothic mystery witchcraft occult spirit holiday graphic design vector art creepy costume horror celebration potion brew grass night fantasy mystical decor event party stars whimsical dark enchantment spooky silhouette moon cauldron magic Halloween witches