画像のプロンプト
Vertical approximately 5:8 full body low angle fantasy photograph. An adult rider on a black horse rearing gently on a narrow sandy ridge along bottom6% of canvas. Plain desaturated pale blue sky fills background with no clouds. Horse faces left, skull at x22%, y52%, two front legs lifted around y77% to87%, hind legs planted at y92%, tail flowing off right. Horse wears a grotesque bone skull covering with open jaw and visible tooth shapes, pale bony decorations along harness. Rider torso centered x52%, y47%, face at y39%. Right arm reaches diagonally toward upper left, hand at x29%, y35%, holding a slim old long barrel revolver vertically tilted left to y25%; no muzzle flash or firing. A huge asymmetric feather headdress fans backward from rider head across right half to x91%, extending down to y64%. Many very long tapered black and cream feathers and hairlike trailing quills, thin negative sky gaps between them. Rider wears dark leather and bone ornament clothing, long black hair, ropes and thin necklaces, face mostly shadowed. Severe hard side sun strikes tiny skin and bone planes while horse and rider remain predominantly near black silhouettes. Muted cream sand, washed blue sky, black and dark umber. Realistic film photograph with visible fine grain, slightly faded highlight color, crisp enough feathers but naturally tangled. Do not turn the headdress into symmetric wings or make the scene an illustration. Negative: extra riders, buildings, clouds, horizon mountains, firing gun, bright costume colors, white horse, horse standing with all four feet down, cropped headdress, front facing horse, full landscape.