Prompt: (one) big perfect (real human heart), 3D, unreal engine, dark, dark environment, lava, black crack stone, dark atmosphere, hyper detailed, dark background, human anatomy real human heart, black heart

Negative prompt: Ugly, Morbid, Extra fingers, Poorly drawn hands, Mutation, Blurry, Extra limbs, Cloned, Malformed limbs, Missing legs, Too many fingers, trees, forest, green environment, nature, (extra hearts), blue sky, human, human body