Talk:Ninja Dragon/@comment-31432694-20170325000312/@comment-27718903-20170325030642

They might very well have used an Air Dragon. In the Battle Arena, anything can beat anything, it's just unlikely in this case. In fact, a popular strategy when you're stuck on a dragon is to buy fire dragons and sell them when they lose, eventually one will win (I can confirm this has worked for me multiple times).