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...
This is done to keep the source 
of magic, the magic essence,
تمّ هذا للحفاظ على مصدر السّحر وعنصر السّحر
So bleibt die Magieessenz,
der Quell der Magie, auf der Gegenseite.
Serve per mantenere la fonte di energia, 
l'elemento magico, bloccata sul lato posteriore.
Isso é feito para manter a fonte
de magia, o elemento mágico,