handpainted haunted forest with gnarled trees and spooky atmosphere for game fantasy for halloween, posters

haunted forest gnarled trees spooky handpainted full moon glowing eyes ambiance halloween fantasy game design artwork twisted trunks atmosphere background dark mysterious creepy night shadows mystical magical horror illustration blue black branches foliage moonlight fog mist specters spirits enchanted landscape sinister woods ominous spectral painting artistic brush strokes environment storytelling detailed intricate ai generated