Some thoughts on “kill Cazador” option while I’m having breakfast: what will happen to other spawns...

Some thoughts on “kill Cazador” option while I’m having breakfast: what will happen to other spawns after we kill Cazador? By killing him will we unleash a herd of hungry vampire spawns on Baldur’s Gate? They won’t be able to turn people, sure, but how many will they kill before someone put them down? Or will we kill em ourselves? Are there any other options? What is the difference between Astrarion and the rest of Cazador’s spawns? Hmmmm