Score_9, score_8_up, handsome merman, male focus, rough ocean waves, armoured, swimming pose, long serpentine merman tail, holding a spear, charging into battle, underwater, dappled sunlight, from the side

Bad anatomy, poorly drawn face, low quality, unrealistic proportions, unprofessional execution, out of frame, large muscular frame, (worst quality:2),(low quality:2),(normal quality:2),lowres,watermark, mutated hands, (fused fingers:1.61051), (too many fingers:1.61051), bad hands, missing fingers, unattached limbs, blurred faces. Blurred. Low quality face, old