creepy forest scene with a moon, dark clouds, flying owls and gnarled trees. halloween background. generative ai

ai-generated atmosphere background chilling creatures creepy dark darkness eerie enchanting ethereal fantasy fog forest ghostly gloomy gnarled halloween haunted haunting landscape magical midnight misty moon moonbeam moonlight moonlit moonshine mysterious mystical night nocturnal nocturne paranormal shadows sinister spectral spooky supernatural surreal theme trees wilderness woods