− | |1 -> E/empty = *Number of historical ships ≥ 3/2/1/0 (Hard/Medium/Easy/Casual)<br>([[Kitakami]], [[Isuzu]], [[Satsuki]], [[Uzuki]], [[Hibiki]], [[Ushio]], [[Suzutsuki]], [[Matsu]], [[Take]], [[Yukikaze]], [[Hatsushimo]]) | + | |1 -> E/empty = *Number of historical ships ≥ 3/2/1/1 (Hard/Medium/Easy/Casual)<br>([[Kitakami]], [[Isuzu]], [[Satsuki]], [[Uzuki]], [[Hibiki]], [[Ushio]], [[Suzutsuki]], [[Matsu]], [[Take]], [[Yukikaze]], [[Hatsushimo]]) |