There are no further projectile attacks, at least for now - it seems the Prinnies have occupied Princess' attention for the time being.

After a moment or two of observation - namely to make sure Koumyou doesn't get mauled in the interim - Siebren reaches over and places a hand on Eva's shoulder, attempting to meet her gaze. They can distract Princess and heal him, but eventually she will have to calm him, and she will need to be prepared when that time comes.