Nya?

Kos-mos V4 adds Nya to her speach at times.

I blame either the Professor, or more likely Assistant Scott.

...Did she do that in Xenosaga III? Before the dubbing?

Steak said:
...Did she do that in Xenosaga III? Before the dubbing?

It's from the Post Ep 1 fandisk released in Japan.

She does so in Endless Frontier.

I don't remember her doing it in any of the Xenosaga games.