*It is important to keep in mind that most retreats here are due to submarines. Especially at '''HQ 120''' where 7-4 is mutated into its last scaling stage, node J always has 3 {{Enemy/Link|Submarine So-Class Flagship|text=So-Class Flagship}}, the boss gains more armor, and the boss node in LD always has a So-Class Flagship as well, making farming more difficult if lacking enough strong OASW. | *It is important to keep in mind that most retreats here are due to submarines. Especially at '''HQ 120''' where 7-4 is mutated into its last scaling stage, node J always has 3 {{Enemy/Link|Submarine So-Class Flagship|text=So-Class Flagship}}, the boss gains more armor, and the boss node in LD always has a So-Class Flagship as well, making farming more difficult if lacking enough strong OASW. |