During the event, there are 3 quests to complete:
- complete the event history in the diary
- assemble the unique collection for the event
- reach the Master of Deduction rank in the event location.
Each event has unique rewards: avatars, chests, energy boosters, souvenirs, and talismans.
The quests and rewards of a special event can be viewed by selecting the first icon on the right side of the Library screen.