From the black crucible, bursts of goose-yellow smoke and a suspected sour rotten smell suddenly filled the entire studio. Beside the crucible, a man with greasy black hair frowned and waved his wand to clear away the failed potion, looking at the empty crucible absentmindedly. , Until a sound of barking brought him back to his senses, and he looked at his homemade magic clock pointing at a black dog with a red collar. The black dog was still running around and barking softly from time to time. After Snape stared at the black dog for a while, he packed up his things and turned around to leave the studio.
Conception: