Design a high-quality 2D illustration of a hydra with multiple heads, ensuring exceptional attention to detail and realism. Pay close attention to the intricacies of the scales, teeth, and eyes, minimizing any potential errors in the design. Strive for seamless integration of the hydra into the illustration, maintaining consistency and accuracy throughout. Aim for a dynamic composition that effectively showcases the hydra's menacing nature while avoiding any distractions or inconsistencies that could compromise the overall quality of the artwork.