Dark Fantasy Grim Reaper on Undead Horse

Ultra-detailed dark fantasy illustration of a grim reaper riding a ghostly white horse. The reaper is a rugged, hooded man with an intense expression, wearing a tattered black cloak flowing into smoky shadows. He holds a large, intricately designed scythe raised above him. The horse appears undead, with glowing pale eyes, torn flesh, and skeletal features. Surrounding them is a dense, eerie mist filled with reaching skeletal hands and skulls emerging from the ground. Dark, moody lighting with cold tones, cinematic atmosphere, highly detailed textures, dramatic composition, 4K, hyper-realistic, gothic horror style.