(top-quality, 8K, masterpiece:1.3) Portrait of Transformers Ratchet, the grumpy but wise Autobot medic. His aged body is covered in dents and repairs, reflecting his long history of battles. His face is gruff and weathered, with a bushy beard and piercing green eyes that hold a spark of wisdom. Rendered in a detailed, realistic style with warm lighting and emphasis on Ratchet's gruff yet caring demeanor.