Now, however, I think it pointless that as an NPC he does not banter or reply to your commands until you have Celestial Fury.
Cutting the silence would mean a bit of work for me and my translator, but you needn't worry too much about that

Is the vow important enough to his character and individuality, or would you rather have the full all-talking, all-bantering Yikari right from the word go?