A medium shot, eye-level anime illustration depicts a stern nun standing centrally in a dimly lit, gothic cathedral. She is a young woman of European descent with a cold, determined expression, her sharp eyes narrowed with unwavering conviction. She is dressed in a traditional black and white habit, including a flowing black veil and a white wimple that frames her face, with a silver cross hanging from her neck. In her right hand, she grips a large, ornate surgical scalpel with a polished metallic sheen, while her left hand is curled into a tight fist at her side. The environment is a somber church interior with towering stone arches, flickering candles casting long shadows, and dust motes dancing in thin beams of light filtering through stained glass windows. The atmosphere is oppressive and clinical, with a cool color palette dominated by deep blacks, greys, and sterile whites, utilizing high contrast and a slight vignette to evoke a sense of rigid authority and obsession.