Brash Young Fools
Vial of Change
Potion bottle with three-tailed comet on it.
Ceramic Potion bottle with a three-tailed comet on it.
The potion in it was drunk by Hubert Rankoff, shortly before his transfiguration into some manner of horrific demon and death. The bottle, a vital clue, was thrown over a cliff by the idiot boatman Heinrich.