*The boss node is an "atoll node", meaning that it is possible to deploy the new {{Amphibious Tank}} {{Equipment/Link|Special Type 4 Amphibious Tank|Special Type 4 Amphibious Tank Kai|text=Ka-Tsu tanks}}' opening. | *The boss node is an "atoll node", meaning that it is possible to deploy the new {{Amphibious Tank}} {{Equipment/Link|Special Type 4 Amphibious Tank|Special Type 4 Amphibious Tank Kai|text=Ka-Tsu tanks}}' opening. |