During the event, for every 20 Energy spent in Campaign or Outpost modes (including Joint Battle), 1 Double Re…
During the event, for every 20 Energy spent in Campaign or Outpost modes (including Joint Battle), 1 Double Reward attempt will be automatically deducted, and you can claim 1 extra Campaign or Outpost reward. In Sword Trial, for every 60 Energy spent, 3 Double Reward attempts will be automatically deducted, and you can claim 1 extra Sword Trial reward.
30 Double Reward attempts are added every Friday at 05:00, with up to a maximum of 60 attempts being obtainable. Unused attempts roll over to the next week.