Co-Op Challenge

Co-Op Challenge is an event where bonus rewards are given for beating Boss Battles in Co-op mode on certain days, and further rewards are given via missions to defeat a target number of Co-op battles.

Event Periods

 * Season 1: 05:00, Oct 20 2021 – 19:59, Nov 20 2021 (UTC)
 * Season 2: 05:00, Dec 08 2021 - 13:59, Dec 20 2021 (UTC)
 * Season 3: 05:00, Jan 12 2022 - 16:00, Jan 27 2022 (UTC)
 * Season 4: 05:00, Jan 31 2022 - 16:00, Feb 12 2022 (UTC)
 * Season 9: Sep 29, 2022 09:00 – Oct 07, 2022 11:59 (UTC)
 * Season 10 : Oct 24, 2022 05:00 – Nov 03, 2022 11:59 (UTC)
 * Season 11: Jan 16, 2023 05:00 – Jan 28, 2023 11:59 (UTC) (current)

Event Details

 * Participate in the Co-Op Challenge by defeating bosses in multiplayer battles according to the schedule below.
 * Boss Coins, EXP, and Mana obtained will be 1.5 times the usual amount.
 * Co-Op Challenge event items are available for exchange until Oct 07, 11:59 (UTC).
 * Event items and seasonal armaments will be added during the event period.
 * The exchangeable items and armaments added to the Boss Coin Exchange during the event period will not be renewed on the 1st of every month.

Event Missions

 * New daily missions will be added to [Home] > [Mission] > [Event].
 * Please note that the seasonal armaments added were released before.

Eligibility

 * You will need to clear Chapter 1, Stage 4-2 of the Main Quests to participate in the Co-Op Challenge.
 * Boss Denarius can be exchanged for useful items in the [Item Exchange] for each corresponding Boss Battle or in [Shop] > [Boss Item Exchange].
 * Event details may be subject to change without prior notice

Disclaimer

 * Some event missions may require certain progress in the Main Story.
 * The amount of bonus items received during this event is calculated separately from the Boss Boost increments.
 * Event missions can only be completed during the event period.
 * Event details may be subject to change without prior notice.