Talk:Summer 2015 Event/@comment-19203513-20150825093721/@comment-26018190-20150825095425

If you have Akitsumaru and enough type 3 shells, you should be able to kill X and Y each sortie. I spend an average 2-3k resources to score 4 X kills and 2 Y kills.

It's probably for the best to kill them, barely scratching the boss each sortie does not feel good.