plague doctor seated amidst ancient alchemical equipment, holding a vial of poison with an intricate mask and an ornate, luxurious black robe adorned with elaborate details, set in a fantasy art style, high definition with intricate detail, featuring ambient occlusion, subtle glow, play of shadows, rough textures, shimmering accents, ray tracing reflections, lumen reflections, and screen space reflections, enhanced by diffraction gradients and a hint of a supernova in the backdrop, rendered in 8k, enveloped in soft volumetric lighting for an atmospheric mood, emphasized by a 2:3 aspect ratio.