Talk:Souryuu/@comment-26874340-20151027074039/@comment-26874340-20151028040851

I think you should be able to get her with A rank, but I've gotten mine with S-rank. She drops from almost all nodes and it's pretty cost efficient to do 3-4 with all subs. If a sub gets rekt, just do night battle and it ends up in an S-victory most of the time.