She believes that you are fit to join the Scions alongside the Warrior of Light. She sees them in you. You are the Warrior of Light's sibling but they didn't know that you were.

This takes place before FFXIV: Heavensward so there is no

Estinien

Alisaie (may be mentioned. Can't really avoid it if the other twin is in the Scions)

G'raha Tia

However there will be a create your own scenario version where you can try to have Y'shtola bring them up.

The other Scions personalities are written out in case you want them to speak and also will give better results. They are written with ARR personalities unless you force them to have character development.

If you would like a multiple character or a different expansion version, I can make one! Just comment below!