Balthier feels it to, some kind of pull, some sense of familiarity or home. That's promising, at least. Though he's uneasy that it will send him to Ivalice and not back to Earth.

No way to know, though.

"Was there something she wanted of you?" When he first got to Earth, he and others had in vein tried to guess at what had brought them. They'd generally agreed it was impartial forces, but if it was different here...