Ultra Detailed，超lifelike，Unreal Engine 5，Studio Lighting，Movie Feel

Ultra Detailed，超lifelike，Unreal Engine 5，Studio Lighting，Movie Feel，High Detail，high resolution，Extremely detailed CG，unity，8k wallpaper，Highest quality，complex，lifelike，Detailed lighting，No light or shadow，Best quality，Masterpiece 1.4，extremely delicate，digital painted，High masterpiece，e621，reality，The polar bear male，bulging muscles，blue veins，Huge biceps，Huge triceps，Thick arms，firm and full chest，outlines the strong rib muscles and slightly thick abdominal muscles，Full buttocks，Strong thigh muscles，prominent veins of the thigh muscles，Muscular calves，Stout feet，each foot has sharp black claws，noon，outdoor racetrack，Standing，higher and more symmetrical，Fitness coach，huge testicles，prominent veins of the testicles，plump，Wear a black sports vest，sports clothes are black，The polar bear male的胯部长出了马， stallion penis shape，Penile ring，blue veins exposed on the surface of the penis，penis，翘起penis，巨大penis，更粗penis尺寸，super huge size profile