ultra-realistic masterpiece, one pale scary Banshee ghost screaming and floating through medieval graveyard, weathered tombstones, overgrown vines, gnarled trees casting eerie shadows in the moonlight, pale silvery full moon, flickering ghostly lights, thick fog creeping through graveyard, swirling around tombstones, chilly and damp air, eerie and haunting atmosphere, evoking a sens of unease and anticipation, extremely detailed, 4k, hdr, highest resolution, <lora:add-detail-xl:1>