Now deceased, Balerion was ridden by Aegon the ... According to HBO, there are 17 different dragons on “House of the Dragon,” but they won’t all be introduced at the same time.

That was even more dragons than I thought, but there you go, that’s the full list as far as I can tell. More will die, more will change hands most likely, but this is the dragon “family tree ...

House Of The Dragon’s second season ... largest dragon in Westeros, behind Balerion (the largest, but also dead) and Vhagar. By the time the Dance of Dragons takes place, Vermithor is already ...