Talk:Summer 2015 Event/@comment-1.10.214.19-20150903212738/@comment-27352614-20150903213315

Because if you use more CVL, you can use more BB. If BB+CV is higher than 4, then you go J->Y with higher chance. If they're below 4, then you can't get routed to Y, thus higher chance of reaching the boss and support exp not going waste.