Traditional japanese sumie samurai ink painting

Traditional Japanese sumi-e ink painting, lone samurai warrior from behind, 3/4 back view, wearing tattered dark armor and flowing cloak, topknot hair with torn headband. Katana sheathed at waist, naginata/spear on back. Dynamic brush strokes, ink wash technique, minimal color palette: black ink on white paper only. Expressive ink splatters and splashes around. Clean negative space, ethereal, minimalistic. Add red Japanese hanko seal stamp and kanji character 侍 meaning "samurai". Vertical composition, traditional art style, paper texture, high detail, dramatic shadows