A formidable daimyo lady from a fictional feudal Japanese kingdom stands in her contemplative rock garden during a winter snowstorm, wearing layered silk and lacquered armor in deep crimson and obsidian with crane and chrysanthemum clan motifs, her intricate black updos adorned with silver hair sticks and snowflakes, gripping a legendary katana, fierce intelligent expression, dramatic moonlight illumination with cool silver and deep indigo tones contrasting warm golden lantern glow from her castle interior, rich details of raked gravel patterns and frozen koi pond, oil painting texture with digital precision, powerful dignified three-quarter composition against distant snow-capped volcano at night, 4k hyperdetailed digital art