I have to ask. Why all the furry images? Also, there will be more strain as he gathers more powers, but I still haven't exactly decided how that will work yet.

I plan to go back to it in the future, but I stopped writing it because I feel like I should do a full re-read before. I started this JJK one because, after the latest manga chapters, I have really been back into JJK lately.

Just needs to refill after.

I mean, theoretically, anything is possible with Nen, especially if you are a Specialist.

The royal guards still had restrictions on their abilities, or at least an example of this is Doctor Blythe from Neferpitou. That's why the MC still wants more aura and says he will upgrade the abilities once he gains more aura.