Board Thread:Game Discussions/@comment-81.243.95.204-20131209175421/@comment-107.206.49.48-20131211055452

@random Wikia Contributor like myself: I believe he is talking about the arena. I had this problem too; i was stuck at 16/20 streak wins and was just as confused as you are until I won 18 in a row. You have to win 20/20 in a row without your streak timer going out.

Hope this helps

- A Wikia contributor

FD (iOS)