I mean you have a lot of arcs if you want to do :
- A new Shinobi war with OCS
- Otsusuki
- You can Merge the "Menma" dimention later on with this one
- Boruto travelling to the wrong timeline
- Growing up
- The tenseigan
- The clan of the Ketsuryugan
- Full pain and obito vs Mc
- Madara Rebirth