I'd like to see them lean into the lore of the mantle more and make it less about Betsy and the country. Like when Brian became CB and it was magic/Merlin related, he just happened to do hero stuff in England.
I'd like to see Kwannon and Betsy working together as well and I think it would be interesting to see Kwannon opening up to her about her past. Maybe even reveal her real name to Betsy. It'll give the readers a chance to learn more about Kwannon while strengthening their relationship.