noisy, blurry, distorted, out of focus, bad anatomy, extra limbs, poorly drawn face, poorly drawn hands, missing fingers, balcony, stairs in the floor, stairs leading no-where, more than one set of stairs.
"Do not include multiple sets of stairs."
"Do not include more than three doors."
"Avoid overly elaborate or decorative doors."
"Avoid bright or cheerful colors."
"Do not include any figures or characters in the scene."