If there was, no one told me.

[If there was, would he have done things any differently? Killing Kainé was never an option. Surely, there's a version of him somewhere, out there, in some other existence who did do it that way. Nier doubts he could have lived properly with himself if he had. And he doesn't know how he would have explained that to anyone else either.

No. He firmly decides in the here and the now that the way he did it is the only way he would have handled things.

Nier's question garners him an old man's sombre expression.]

I gave my life for hers. That's all there is to it. I thought she was worth it and I knew I could leave Yonah in her hands. I was told no one back home would remember me, so they never lost anything, but they did regain Kainé.

[At least, that seems to be how he's understood it. Who knows if he really understands what he did or the repercussions it came with.]