※ Period: April 9th — 30th

• The Hero Summon Balls come in sets of seven, each displaying the number of stars that signify its respective number in the collection.

• You can summon the hero when all seven Balls are brought together, and then the balls will disappear.

• In this event, the Sakura Knight Summon Ball's drop rate is doubled.

• There are a few ways to obtain Summon Balls:

  • Treasure Chest

  • Daily Bonus (Day 9 & Day 27)

  • Market

  • Merchant Airship

  • Exchange with friends (not available yet)

Good luck!