*Uniquely on '''"atoll nodes"''', it is possibly to deploy the new {{Amphibious Tank}} {{Equipment/Link|Special Type 4 Amphibious Tank|text=Ka-Tsu}} and {{Equipment/Link|Special Type 4 Amphibious Tank Kai|text=Ka-Tsu Kai}}
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{{:Ka-Tsu}}
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**''On those nodes, regular [[oTorp]] will not work,
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**This can only be deployed by SS, SSV, and the AV [[Mikuma Kai Ni Toku]], [[Nisshin A]], and [[Mizuho Kai]] fast,
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**They must carry at least one Ka-Tsu tank,
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**On the "atoll node", ships meeting those requirements will carry out a special opening torpedo attack,
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**In night battle, those ships will additionally trigger the same attack as a cutin,
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**Using several Ka-Tsu tanks on a same ship will make it carry out several of those attacks in a row (day and night),
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***This attack utilizes a new special animation, with the tank climbing the atoll's soil.
*The admiral max HQ experience has been increased by 10 % from 360 000 000 to 396 000 000.
*The admiral max HQ experience has been increased by 10 % from 360 000 000 to 396 000 000.