Talk:Winter 2017 Event/@comment-32389360-20170215012631/@comment-29813143-20170215023741

You can also train subs in 5-3 or if you don't want the chance of them being hurt, train them in E-3 because they will perfect S rank the first air raid every time. Its slower than 5-3 but no risk of your subs getting hurt. pick your poison and may luck be with you.