Baten Kaitos/WMG

Melodia is Sagi and Milly's daughter
And because of his loneliness, Calbren adopted her, or one or both of her parents, as his heir to the Duchy of Mira.

The baby at the end of Origins is
Since in a side mission in the desert, you can find  and he gives you a blue container for what basically amounts as naturally wasted magna essence (mana, if you will) from experiencing emotions, you can conclude that. In other words, the baby is not, as some parts of the fanon say.

Mizuti and Kee's parents agreed on an Arranged Marriage, as per Duhr traditions
In Origins, you can see Kai preparing her part of the communal house for when her new neighbors, namely Koh and his parents, move in. Then, in EWLO, you have Mizuti living in the same communal house as Kee. It's vaguely there, but it seems to be a Duhr custom to marry off a girl to a boy by having him move right next to her living place in the communal house.

Corellia is, indeed, a fairy
It has become a meme that Corellia is immortal, and has been around since the age of the dinosaurs or even earlier, but no one seems to care about why she'd be so, so let's point at her title in Anuenue, the Fairy Guide, and at  to point her out as a potential member of The Fair Folk (albeit most possibly as a   than as a fairy)

Xelha
It's pretty evident she, which leaves open the mystery of what will happen to   now...

The real Lord of Sadal Suud is
But Rodolfo is a dick, and he'll keep his descendants on the streets.

When Peachy says Melodia is the true heir of Mira...
Melodia  This comes from the fact that Melodia

Cebalrai is fucked
. This will show up as a plot point in a third game.
 * That also applies for the rest of the land, so everyone should be starving now, except if they eat fish...

Kalas's spirit is the same as Sagi's
. The spirit doesn't remember Origins because. How it works when I haven't figured out yet.
 * Actually,  might be the same spirit that served Kalas and Xelha, and several fans have expressed they believe it is so since back in 2006 and 2007, BKO's peak time. Sagi is just , and therefore, he is  . It also makes sense, as   could have forgotten all about the past thanks to  , keeping  . Additionally,  , considering all other guardian spirits have picked better spiriters, such as the Children of the Earth that sealed Malpercio away. Which of course means,.

The ruins of Tarazed will be visited in a third game
I'd say Scavenger Town.