solo male, Mecha Knuckles, robot echidna, gray skin, red compound eyes, white core, yellow gloves, gray shoes, sky sanctuary, sunset, ruins, battle stance, (Briz, high quality, smooth lighting, masterpiece)

Legs, arms, Animal nose, furry, furry nose, Extra characters, multiple people, chibi, multiple characters, (deformed, distorted, disfigured:1.3), poorly drawn, bad anatomy, wrong anatomy, extra limb, missing limb, floating limbs, (mutated hands and fingers:1.4), disconnected limbs, mutation, mutated, ugly, disgusting, blurry, amputation