Basic Trope: Blood is shown as black instead of normal red. * Straight: A character becomes wounded, and is shown bleeding blackish blood. * Exaggerated: * An Ax Crazy character goes on a murderous rampage, and the result is an area with blood everywhere, all of it as black as tar. * Everything that should be red is shown as black instead. * Downplayed: A character is wounded, and bleeds maroon blood. * Justified: * The wounded character is not human, so their blood looks different. * Alternatively: The point-of-view character suffers from protanopia -- the lack of red light receptors in the eye -- and blood looks dark as a consequence. * Or the wounded character is being seen on a black-and-white TV monitor (perhaps an older security camera) * Inv