Dull colors, lack of detail in linework, poor resemblance to Guts, flat composition, unrealistic eclipse, inconsistent shading, unconvincing battle scene, disproportionate anatomy, misaligned elements, blurry textures, lack of intensity, lifeless expression, inaccurate portrayal of Guts' emotions, generic art style, uninteresting pose, absence of dynamic energy, lack of texture in clothing and armor, unnatural lighting, poorly executed background.