Board Thread:Dragon City Gameplay Questions & Answers/@comment-20699994-20131014214921/@comment-16216103-20131015005330

actually, you can say your thoery is right

but, rotating depends on time a lot, if you combat in a lvl 26 for only 3 persons, in the eveining, it will randomly change and rotate some of your opponents, knowing you don't need to fight them