2/8 00:00 ~ 2/21 23:59 (PST)
- Normal and Rare Keys can be purchased or obtained as a reward by completing
Unique Missions
- Rare Key can only be used if you have a Rare Box available
- Rare Box can be obtained by using Normal Box Keys or completing
Unique Missions
- Unique Missions resets every day (00:00 Server Time)
- If you open a certain box, you'll earn Mileage points.
(Normal Box: 1 Mileage / Rare Box: 2 Mileage)