Portrait, epic realistic depiction of an angel with a deeply sad facial expression, featuring a halo of light around their head. Painting style inspired by the glorious art of French painter Alexandre Cabanel, showcasing striking blue eyes and adorned with a delicate veil. Background set in an old cathedral with soft, neon lighting adding a gentle glow. Elements of 3D, cartoon, and anime influences blend seamlessly in the sketch, maintaining a focus on realistic anatomy and features.