You need special items to enter the Event location. You can get these items:
- By exploring locations and playing mini-games.
- From Event monsters and their treasuries.
- As a reward for participating in the Phantom Hunt and Gemstone Vault mini-events.
- From a daily chest in the Curiosity Shop and from Event totems.
- By purchasing them with rubies in the Event section of the Store or with real money as part of hot deals.