Monthly Boss Challenge/December 2018

Duration
September Weekends:
 * 1 Dec 00:00 - 2 Dec 23:59 JST (UTC +9)
 * 8 Dec 00:00 - 9 Dec 23:59 JST (UTC +9)
 * 15 Dec 00:00 - 16 Dec 23:59 JST (UTC +9)
 * 22 Dec 00:00 - 23 Dec 23:59 JST (UTC +9)
 * 29 Dec 00:00 - 30 Dec 23:59 JST (UTC +9)

Strategy
Reddit Discussion Post

Event Rewards
Challenge Medals
 * Obtainable when the following achievements are completed:
 * Clearing the Challenge Quest for the 1st time
 * Completing (without anyone defeated) the Challenge Quest for the 1st time
 * Clearing (with at least 1 member defeated) or Completing (w/o anyone defeated) the Challenge Quest for the 2nd time or more will not grant Challenge Medals
 * The above achievements reset weekly.

Item exchange with Challenge Medals

 * For 4 Challenge Medals:
 * *5 Warrior Limit-break crystals
 * *5 Mage Limit-break crystals
 * *5 Priest Limit-break crystals
 * *5 Knight Limit-break crystals
 * *5 Alchemist Limit-break crystals


 * For 2 Challenge Medals:
 * Etoilium Shard

Exchange Duration

1 Dec 2018 00:00 - 4 Jan 2019 23:59 JST (UTC +9)

You can still exchange for items during next month's challenge.

Etoilium Shard
Combine 4 Shards to make 1 Etoilium!