warhammer 40k, 17-year-old female soldier, 1.65m, youthful face with soft features and bright determined eyes, short wavy chestnut hair. sleek sisters of battle-inspired power armor in pearl white and steel silver, prominent golden imperial aquila on chest, shoulder pauldrons with fleur-de-lys motifs. leather purity seals at waist. holding ornate boltgun (no smoke). standing confidently on marble platform. background: grand ecclesiarchy chapel with stained glass windows. soft volumetric golden light, cinematic composition. style: clean anime-realism, sharp details, 8k