There are many many scenes in Disney movies where evil villain mysterious fall and presumably die from it. Here we have some Gif’s pointing to that revelation alone.
Treasure Planet (2002), Beauty and the Beast (1991), The Lion King 2: Simba’s Pride (1998), The Rescuers Down Under (1990), The Great Mouse Detective (1986), Tangled (2010), Snow White and the Seven Dwarfs (1937), The Hunchback of Notre Dame (1996)