score_9, score_8_up, score_7_up, 8k high quality digital painting, masterpiece, very detailed, ultra realistic, (best quality) very detailed epic masterpiece, boris vallejo style, frank frazetta style, realistic oil painting, retro artstyle, full body, unearthly beautiful, a breathtakingly beautiful landscape, an ape-like prehistoric man with a wooden club in his hand rides on a kangaroo-like monster, muscular half-naked very hairy body, fur clothing, loincloth made of fur, the low sun casts long shadows, backlight, sunrise, enchanting landscape, fairytale-like, calm mood, realistic detailed oil painting style Rembrandt style, Vermeer style, Dungeons and dragons atmosphere, heroic fantasy, realistic, realism, full body