Asymmetrical features
Overly smooth textures
Harsh shadows
Incorrect lighting
Unnatural poses
Repetitive patterns
Unrealistic proportions
Visible brush strokes
Artifacts
Color banding
Aliasing
Overexposed areas
Underexposed areas
Background noise
Unrealistic reflections
Jitter
Motion blur
Lack of depth
Low resolution
Incorrect perspective
Unnatural color grading
Pixelation
Over sharpening
Ghosting
Chromatic aberration
Excessive grain
Incorrect skin tones
Misaligned features
Inconsistent styles
Lack of detail
Poor edge detection
Overly saturated colors
Artifacts in textures
Flat lighting
Incorrect shadows
Blown highlights
Glitches
Artifacts around edges
Plastic-like skin
Unnatural expressions
Misplaced elements
Disjointed limbs
Lack of ambient occlusion
Incorrect facial expressions
Unrealistic hair textures
Unnatural fabric folds
Dull eyes
Awkward compositions
Poor transitions
Floating objects