Unrecognizable soldier, distorted perspective, disproportionate characters, inconsistent styles, lack of detail, flat colors, lack of depth, messy linework, unrealistic proportions, chaotic composition, unclear storytelling, lack of atmosphere, lack of emotion, exaggerated features, unconvincing gas mask, poorly rendered trenches, lifeless bodies, disjointed spikes, unrefined blending, jarring color palette, misshapen characters, inconsistent lighting, unrealistic movements, lack of dynamism.