Quote Originally Posted by Kaz_LOTB View Post
That should just be a visual bug. If you restart the app, your characters will be available again. This issue will be fixed in the next client update.
-Kaz
Hey Kaz, you might be right of course, but I played the last AAA battle over a week ago, I restarted a number of times in the meantime. This was my first try at grade F though, maybe a restart and fresh try would have fixed this indeed.