Dung Defender, knight pose, dynamic action, brown armor, insect-like features, dung ball, underground setting, sewer environment, damp atmosphere, moss-covered stones, dim lighting, side view, detailed texture, gritty surface, ambient occlusion, high contrast, close-up on shield, mid-battle stance, organic materials, murky water, echoic sound effect, cavernous space, bioluminescent fungi, action scene, 3/4 composition.