Defensive Battle (Event)

Active: May 9, 2017 at 7:00 AM to May 25, 2017 at 6:59 AM UTC. Five Special Maps, focusing on defending against reinforcements, were made available, introducing Defensive terrain, which grants occupants an effective 30% bonus to their defense and resistance stats in battle. Also special quests in which you could earn Orbs and Shards & Crystals were active during the event.