The Boss Reward Chest is a feature during a Raid Event. It becomes available in the 2nd half of the event when the Hidden and Secret Bosses appear. The chest is opened by a coloured key which is unique to that Raid Event.

Keys are obtained by successfully repelling the Hidden and Secret Bosses and as a Daily Ranking Reward during the event.

By opening a chest the player draws from a Box. The Box can be reset after withdrawing the UR.

The Box currently contains:

Item1 and Item2 vary depending on the event following the Raid Event.

Raid keys

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