The ghost that suddenly appeared on the ship is Masaki's astral body.
After Jovia creates her body, Masaki leaves to check on her tree's grafting.
With the island's formation ongoing, 
Seina suggests that Tsukiko spends time in Kamidake's magic unit...
I heard that you came here 
to learn how to use magic.
سمعتُ بأنّكِ أتيتِ إلى هنا لتتعلّمي
كيفيّة استخدام السّحر
Eu soube que veio aqui
aprender a usar magia.