The Banished Knights can mostly be found in castles, such as the Stormveil Castle, Castle Sol, and Crumbling Farum Azula. But the best spot to grind Banished Knights is at the Cathedral of Dragon ...

In the animated series, we learn about the Fire Nation royal family through the eyes of the banished prince Zuko, which is a big reason why we don’t see much of Azula and Ozai in Season 1.