Hi,
I am not sure if this is the right place to post, but I would like to report a bug with the challenge. I reported it in-game, and hopefully it get fixed soon. The problem is with Goblin Giant, when it get through to the end, it dies and spawn 2 spear goblins, which stay until the next round. When the next round start, you immediately win because of the spear goblins. It actually went in my favor this time, but it definitely sucks for the opponents.
Cheers :D
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