(highly detailed, hyper realistic, ArsMJStyle, colored pencil hyperdetailed realism) mature woman, white samurai robe with glowing patterns in emerald green, amber orange, and soft violet, iridescent light pulsing with movement, long deep purple skirt flowing gracefully, fabric billowing as if wind-blown, standing tall, elegant pose, holding katana with both hands raised high, blade surrounded by swirling green and white energy aura, slim athletic body, form-fitting robe highlighting strong arms and slender waist, long toned legs slightly apart, balanced stance, background solid deep cyan for vibrant contrast, floor mirror-like dark grey surface reflecting katana energy, shadows emphasizing well-defined muscles, flat stomach, curvaceous hips, powerful poised action