I aced most of these (was missing two aces iirc). Here are the results of opening all chests at once (the video cuts before the last 5 chests : Gummy Candy (R), Warlord (SR), Sleepy Bear(R), Musician (R) and Shapeshifter (R)).
Very bad results overall.
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"better loot when you ace" huh... My alliance is very small, so I ace most if not all of the...