The Blue Book of the Ocean

This an event that appears during special events (check the news) that can be accessed by clicking blue flag banner that appears in the top right of the screen during the main overview (where you can select which city/area to go to), or by going into any city and clicking event while the book is active.

The quests are time-limited each time they are active and only available for 1-hour time slots.

Blue Grimoire (☆, Rank 1, 15MP) Water Spirit (☆☆, Rank 1, 30MP)
 * Wizard Book (Blue)

Fog and Ice (☆☆☆, Rank 1, 40MP