Indistinct soldier, lack of detail in the uniforms, inconsistent styles, muddled composition, flat perspective, lack of depth, dull colors, disjointed linework, unrealistic proportions, cluttered background, poorly rendered explosions, lifeless barbed wire, unconvincing steampunk elements, lack of dynamism, unclear storytelling, lack of atmosphere, lack of emotion, disproportionate characters, lack of texture, inconsistent lighting, unrealistic movements, lack of intensity, uninspired design.