The big Picture

With only 9 months left until the agreed date for the start of the war, Robin found himself facing a huge dilemma

How to Upgrade a Major heavenly Law...

Had he not known that he would face a great trial after the war by moving to another planet and that he might not return again, he wouldn't have looked in that direction for now... actually, he might have even ignored Caesar's feeling for good and have him stay as the head of the fire legion.

But as long as there is even a small possibility that he will not return again, he must arrange his affairs here first...

If he isn't here to look after his kid, then he at least have to leave him strong and confident enough, he has to stay as an important asset to the family and not be another knight among many, or the days wouldn't be kind to him after he disappears...