*You must sink the flagship of the boss fleet '''FOUR''' times before the map is cleared.
*You must sink the flagship of the boss fleet '''FOUR''' times before the map is cleared.
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**To unlock World 5 you need to defeat the boss of World 3 too.
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**To unlock World 5 you need to clear map 3-4 too.
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*Light Carrier Nu-Class Flagship can replace Armored Carrier Princess and become the boss instead.
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*Regarding the boss node, one of the boss node's compositions has a submarine present that can render your CVL/CL/DD useless. But that submarine doesn't have much armor in the first place so it should be taken out easily without the need of ASW much.
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*One of the boss node's compositions has a submarine present that can render your CVL/CL/DD useless if not dealt using ASW gears.
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*The boss can be either [[Light Carrier Nu-Class]] Flagship or [[Armored Carrier Princess]] (Two out of three possible comps have [[Armored Carrier Princess]] as the boss). If you roll the latter one, the boss fight can become slightly more difficult
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*In general, this map can also be used to clear Weekly World 4 Boss quest instead of 4-2. The boss node can also yield a lot of rare drops such as [[Shoukaku]], [[Taigei]], [[Mutsu]], .... should you need any of them.