I even remember reading something where a vampire turns
not just into "a bat", but a cloud of bats.
What you might be running into is confusion caused by a
recent film franchise. I forget the name, but there's a couple
of movies out now with the premise of there being a "war"
between vampires and werewolves.
If your first exposure to vampire mythology is this business of
there being antagonism toward werewolves, then seeing
vampires morph into wolves on a mud might seem jarring and
"wrong".
-Crat
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