hyperrealistic mixed media painting of beautiful Medusa, green scaley serpents in her hair, pale grey stony skin, devious expression, full body, stunning 3d render inspired art by P. Craig Russell and Barry Windsor-Smith + perfect facial symmetry + dim volumetric lighting, 8k octane beautifully detailed render, post-processing, extremely hyperdetailed, intricate, epic composition, grim yet sparkling atmosphere, cinematic lighting + masterpiece, trending on artstation, very very detailed, masterpiece, stunning