solo female, 3D, Matilda the Armadillo, green shell, yellow skin, green eyes, robotic arms, gray coat, black pants, gray gloves, gray shoes, medium breasts, curvy, fists clenched, angry, metal lab, iron fortress, (high quality, masterpiece, 4K UHD)

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