A good story is told with diversity of characters.
And as some pointed, Zenos do have room to improvement.
I just think that they can't take any longer to shape him, otherwise his persona is gonna burn.
With the close of this last chapter, I do have my cards of what he shall become, and maybe fate will mold him. He will become what he must.
But he gotta pull his skirt and walk faster, we are running out of foes to smack.