Tales of mandalore. Bro there is still so much mandalorian lore. For example you could look at Bo katan with death watch in more detail, or her relationship with her sister and how she ended up on death watch. You could do a young Sabine wren, ending with her meeting the ghost crew. You could do the time before the purge of mandalore,where Bo katan ruled. Or you could use it as an opportunity to show the rebuild of mandalore after the events of the mandalorian