From Yesterday

She was killed over four centuries ago during an attack on her village, by humanoid demons and vampires. They burned everything to the ground.

But she didn't want revenge for that - because she was here, wasn't she? -; she wanted it for her brother.

Because he didn't come back. Because she was the special one.

And now, after years of searching, she's finally found that he's residing in "Aetatis Limbo", in one of the two warring Kingdoms: Inzardia and L'eaunda.

Aetatis is translated to "alter" in Latin.
I'm not sure which parts translate to what, or in what language(s), but Inzardia has references to "fire" and L'eaunda has references to "water".