Quote Originally Posted by vgta99 View Post
After battle, the reward system might to be broken, because when I was defeated in defense mode, I doesn't loose my streak bonuses and win +5 points despite my opponent loose -5 points.
The win streak bonuses are only affected by winning and losing battles in attack mode. This also makes sense since it's so hard to win in defense mode, so that's probably intentional rather than a bug.