I've completed the Witch of the Swamp adventure with 23 hours to spare. All my generals and all my troops are back home and ready to go.
I received the email "Adventure Witch of the Swamp has ended" with the loot & XP, which I accepted, and yet the adventure does NOT show "completed" in my QUEST Menu. See screenshots....
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I've cleared my cache, logged out, logged in, and still I can't press "FINISH" to remove this from my Quest menu. There are no other quests, Active or Waiting, in the queue.
What now? I refuse to spend 175 gems to "finish instantly".