Well, if it was Transfiguration, it would be really important that none of the particles escape into the air. I think we’re supposed to infer that there wasn’t so much smoke as to be objectionable for its own sake—if there was visibly a lot of smoke, Harry probably would have noticed it behaving oddly, instead of having to rely on smell.
Well, if it was Transfiguration, it would be really important that none of the particles escape into the air. I think we’re supposed to infer that there wasn’t so much smoke as to be objectionable for its own sake—if there was visibly a lot of smoke, Harry probably would have noticed it behaving oddly, instead of having to rely on smell.