Talk:Winter 2017 Event/@comment-11700680-20170225174900/@comment-3502824-20170225180640

If you think you will have trouble, S-ranking node I and J is an option.

In fact for Easy mode generally it's not required, but for newbies, any options can be considered.

In fact for Easy mode, S-Ranking node I without the use of Submarine fleet is possible.