*Like 5-3, you must sink the boss battle flagship 5 times to complete the map.
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*(To be updated.)
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*Clearing this map with a Submarine Fleet consisting of 5-6SS(V) is possible; However, there is a high chance that your SS won't hit the Flagship in the boss node.
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**Using level 60+ SS (with at least maxed armor and torpedo stat) is advised, since there are several flagship DD and CL equipped with sonars and depth charges..
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*Nodes G and I are night battles.
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*Node I is a submarine node.
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*Node H contains Carrier Demons while node K contains Armored Carrier Princess
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*For farming rare ships, Admiral exp or just boss kills to unlock 5-5, recommended formation is a flagship that can carry 4 drums ([[Yuubari]], [[Ooyodo]], CAV), any combination of 3 FBBs and/or CLTs, and 2 CVs. With this formation you only need to fight Nodes A and H before reaching the boss.