Chorina:
You will have to hunt monsters in the Sea of Spores and to get the Seized Energy of the Floating Sea. Hunt Keros, Falena, Atrofa, Nuba, Torfedo, Aranea, Harane, Lesatanas, Arbor, Tergus, Skeletus, Atrofine, Orfen's Handmaiden Arimus, Orfen's Handmaiden Arima. You need to get 200 Seized Energy of the Sea of Spores.