Prompt: Full body ( Concept character [ design |  illustration ] )  
of a beautiful African girl  wearing power  armor
, ( [ sci-fi  | retro-futuristic ] ( art deco ) ) CCDSF artstyle  
( ( by Alphonse Mucha ) 
and by [ Victo Ngai  | James  Jean ] )
, ( exquisite ( character illustration ) masterpiece )
perfectly framing the subject in the middle of the composition
with ( clear and readable tangents ( full of negative space ) )
Negative prompt: ( weird composition with [ messy | bad ] tangents and ( lack of negative space ) ) full of occluded and cropped  [ joints | shapes ]