[Frontier]

Quote:

Originally Posted by Mesnick

It makes sense if authors don`t want to introduce new characters, even off-screen ones. But the idea that Zero dedicated his son's entire life to becoming the perfect weapon against Nightmares, doesn't speak well of him. Frankly, even last year's rider had a kinder family in comparison.

I guess it speaks to how seriously the Nightmare threat must look to Zero that he felt they needed whatever Zeztz is, even if it meant sacrificing his own son.