A dark fog demon, dark and mysterious fog creature, glowing red eyes

a dark fog demon, dark and mysterious fog creature, glowing red eyes, long sharp claws, nightmarish ethereal being, dark fantasy creature, shrouded in thick mist, haunting presence, malevolent supernatural entity, twisted demonic form, (best quality,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37),dark fantasy art,cinematic lighting,dramatic shadows,muted color palette,moody atmosphere