realistic mixed media painting of biblical cain stabbing abel with a lance, in front of a primitive stone altar with white smoke ascending, masculine and rugged, inspired art by p. craig russell and barry windsor-smith and frazetta + 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 detailed, masterpiece, stunning