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Combat/Map Mechanics and Nodes

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Map Mechanics

Maps are made out of nodes connected to each other through paths called edges. Nodes are only accessible by traveling through those edges. Each node is independent of each other, and the fleet state will carry over from node to node.

There are a few mechanics that take place in the map itself.

Routing

The route taken through a given map is defined by the:

  • Fleet Type, being either a:
  • Fleet Composition, depending on the number of certain ship-types used.
    • Some specific ships may also alter routing, being usually referred as "historical ship", as they are related to a map's thematic operation or to a specific mechanic.
  • Fleet Stats, mainly LoS and Speed.
    • Paths that require a given LoS requirement to be met will show an animation of a Recon plane going back and forth towards the destination node.
  • Additionally, routing might be simply random.

On certain events, an edge may be taken in either sense depending on the curent routing. Some edges are marked with an arrow to make the routing clearer.

Land Base Air Raids

In maps where a Land Base is present, an additional mechanic may be imposed where an enemy abyssal fleet will attack the allied Land Base. A text alert saying "Enemy formation approaching! Enemy aircraft are approaching our base." (敵編隊接近中!我が航空基地に敵機接近中。) will appear in the map screen and the Raid will follow shortly. Raids may trigger whenever traveling to another node.

With the Winter 2022 Event also appeared a mechanic known as "Superfortress Air-Raid Sequence", which works very similarly to Land Base Air Raids, with the difference that it also includes the only QTE within the entire game, where clicking on a button at a right time will directly affect the LBAS interception effectiveness.

Please refer to the Land-Based Air Squadron page for additional details.

Map Unlocking / Phase Progression

Nodes E & C2 are here highlighted

In some maps (mostly in Events), Completion Gimmicks might be required to further progress the map, demanding certain conditions to be accomplished on a given map to unlock several things:

  • Boss debuff, where once the "Last Dance" of the final boss of a given map is reached, its debuffed form can be unlocked.
  • Map phases, where some map areas need to be unlocked, like on 7-2 and 7-3.
    • Map areas can either be a path to the next boss, an intermediate path asking for new gimmicks, or a shortcut.
  • Choosing a higher difficulty on an event map will reset it to its initial state.
Those "Gimmicks" can be
  • Reaching certain nodes,
  • Defeating specific nodes,
  • Attaining air superiority (AS/AS+) on certain nodes,
  • Defending against Air Raids.

As soon as all the given conditions are met, the map advances to the next phase. Lower difficulties may require fewer conditions to be met to complete the phase.

  • Since Summer 2019 Event, completing a gimmick will play a "bell sound" when returning back to the main menu (according the sounds are activated),
    • Play Bell Completion Sound Effect
  • Since Summer 2022 Event, Nodes required to be visited/defeated in gimmicks are now highlighted.



Nodes

Full Battle Nodes

These nodes have as the main objective engaging the enemy fleet and destroying the enemy flagship and/or the enemy combatants as a whole.

Node Description Consumption
Fuel Ammunition
BattleNode.png
Normal Battle
Normal Battle Nodes are the main types of nodes present in a sortie, oftentimes making up for the majority of nodes on the map. A Battle Node will always begin with Day Battle and can be followed up by a Night Battle.
  • Node Support Expedition may appear in these nodes.
  • On some Battle Nodes, an abyssal submarine may appear above it upon reaching the node, indicating that this is a submarine node, involving ASW.

Specifically for Battle Nodes, the battle cost varies depending on the node composition.

20% 20%
Pursuing the enemy into night battle +10%[1]
Only submarines present 8% 0%
Only PT Imp Pack present 4% 8%
NightNode.png
Night Battle
Night Battle nodes consist of only the Night Battle phase. The battle will automatically finish after the Night Shelling phase is ended.
  • Node Support Expedition may appear in these nodes even though they begin the battle at night.
10% 10%
NightToDayNode.png
Night to Day Battle
Night to Day Battle nodes invert the usual Battle node format, beginning the battle on Night Battle and then automatically transitioning to Day Battle afterward.
  • The applicable Support Expedition will trigger when the battle starts (during the night), but Day-only phases such as LBAS and Aerial Combat will be performed as soon as the Day Battle begins.
  • As of 04/2022, Night to Day Battles are exclusive to events, with its last appearance on Fall 2017 Event.
20% 30%[1]
BossNode.png
Boss Battle
Boss Nodes are the Ending point of a map's route and are where the map's boss resides, if it has one. After the Boss Node battle ends, the sortie automatically finishes and the player fleet returns to Homeport. Boss nodes can be of any kind of battle node, meaning they can be a Night to Day Node, Night Battle Node, or a Battle Node.
  • Boss Support Expedition may appear in these nodes.
  • The main enemy (often the boss itself) will appear above the node when the fleet reaches it.
  • The node also may be linked to a map HP bar, where killing or just damaging the flagship will also deplete the bar.
20% 20%

Short Battle Nodes

These battle nodes have different objectives and win conditions from the regular battles.

Node Description Consumption
Fuel Ammunition
AirRaidNode.png
Enemy Air Raid
Air Raid nodes are special nodes where only LBAS, as well as Stage 1 of the Aerial Combat, are performed. This node consists of a purely defensive battle against enemy Aircraft Carriers. The enemy fleet is able to further progress to Stage 3 of Aerial Combat and perform an Airstrike against the fleet.
  • The enemy fleet cannot be damaged but by LBAS planes.
  • AA mechanics like AACI or RLK212cm 30-tube Rocket Launcher Kai Ni can also be triggered.
6% 4%
World 6:
4%
World 6:
8%
AirBattleNode.png
Aerial Combat
Similar to Air Raid nodes, however LBAS is performed once, followed by full Aerial Combat phases performed twice back-to-back. It is also possible to do night battle afterward, unlike regular Air nodes.
  • If the fleet has no ships that can attack during Aerial Combat, it will get a D rank (see 1st D rank condition), unless entering night combat.
20% 20%
AmbushNode.png
Enemy Ambush
Ambush nodes are purely defensive nodes where the fleet is attacked by an enemy fleet without being able to fight back. Specifically for Ambush nodes, there is no formation selection prompt prior to the battle, and formation is set by default to Line Ahead or Cruising Formation 4 (for Combined Fleet).
  • As of 04/2022, Ambush Nodes are exclusive to events, with its last appearance on Spring 2019 Event.
4%

Non-Combat Nodes

These nodes present different mechanics that are unrelated to combat.

Node Description Consumption
Fuel Ammunition
StartNode.png
Start Node
The Start Node dictates the point from which the fleet will start.

Multiple start points may be present on the same map. In such cases, the Start Node from which the fleet will begin sortieing is defined by the fleet composition as well as the fleet type, when it enters the map.

EmptyNode.png
Empty Node
An Empty Node is a tool mainly used to increase routing complexity, creating branching paths, dead-ends, as well as to display a small piece of flavour text.
ChoiceNode.png
Active Branching
An Active Branching Node, also known as "Choice Node", is an Empty Node with a mechanic that allows the fleet to route to any of the desired paths.

Upon hitting an active branching node, a text bubble will appear above the fleet icon saying "You can select the fleet's course!" (艦隊針路選択可能!). Nodes able to be selected will glow. Clicking on the node will send the fleet in that direction.

EmptyNode.png
Emergency Repairs Node
Generally only accessible with either Akashi Kai, Akitsushima Kai, or any Kai AO present in the fleet. By equipping Ship Repair FacilityShip Repair Facility, it is possible to use Emergency Repair Materials to repair ships mid-sortie. Otherwise, it behave like an Empty Node.

Please refer to Emergency Anchorage Repairs for more details.

MaelstromNode.png
Maelstrom
Upon entering the node, drains a specific value of a specific resource of the entire current fleet. This means that penalties derived from low levels of Fuel and Ammunition are applied immediately. The strenght of Maelstroms can be mitigated by the number of ships independently carrying a RADAR. Maelstroms drain either Fuel or Ammunition, but not both.

Certain Maelstroms are strong, draining 150% more resources than regular Maelstroms, and having roughly a 25% chance of draining all of a resource. See Maelstrom page for details.

Resource Drain Values
Radar-Equipped Girls Regular Maelstrom Strong Maelstrom
Normal Loss Major Loss
0 30% 40% 100%
1 22.5% 30% 100%
2 18% 24% 90%
3 15% 20% 75%
4 13.5% 18% 67.5%
5 12.6% 16.8% 63%
6 12% 16% 60%
0 or X% 0 or X%
ResourceNode.png
Resource Node
Upon entering, adds a specific amount of a specific Resource (FuelAmmunitionSteelBauxite), consumables (Instant repairInstant construction MaterialDevelopment material), or Coin Boxes (Furniture Box (Small)Furniture Box (Medium)Furniture Box (Large)) to the stockpile. Resource Nodes do not refill the fleet's current resource levels.

Note that the node must be a dead-end node, or a subsequent battle node must be completed, before the resources are added to the overall stockpile. Immediately refreshing the game after reaching such nodes does not provide resources.

Using Drum Drums, Landing Craft Landing Craft, and Amphibious Tank TanksSpecial Type 2 Amphibious Tank increases the resource gain up to a possible node-specific cap:

Resource Gain Bonuses
Type Name Base Bonus
FuelAmmunitionSteel Bauxite Instant repairInstant construction MaterialDevelopment material
Furniture Box (Small)Furniture Box (Medium)Furniture Box (Large)
Landing Craft Daihatsu Landing CraftDaihatsu Landing Craft +3 +2 +??
Toku Daihatsu Landing CraftToku Daihatsu Landing Craft
DLC + T89 TankDaihatsu Landing Craft (Type 89 Medium Tank & Landing Force)
Armed DaihatsuArmed Daihatsu
SoukouteiSoukoutei (Armored Boat Class)
DLC + Panzer IIDaihatsu Landing Craft (Panzer II/North African Specification)
Toku DLC + Ho-Ni TankToku Daihatsu Landing Craft + Type 1 Gun Tank
Amphibious Tank Ka-Mi TankSpecial Type 2 Amphibious Tank
Drum DrumsDrum Canister (Transport Use) +2 +1.5 +??
Landing Craft Toku DLC + 11th RegToku Daihatsu Landing Craft + 11th Tank Regiment 0 0 0
Toku DLC + Panzer IIIToku Daihatsu Landing Craft + Panzer III (North African Specification)
M4A1 DDM4A1 DD
  • Those values will vary from map to map, being +10 Fuel for DLC on 5-5 for instance.
FinishLineNode.png
Finish Line
Harbour Node
Is often considered an Ending node like Boss nodes.
  • It can reward none, one, or two resources at once, but no consumable so far.
    • Like Resources nodes, using Drum Drums, Landing Craft Landing Craft, and Amphibious Tank TanksSpecial Type 2 Amphibious Tank increases the resource gain, but equipment effectiveness may vary.
  • In 1-6, the Finish Line has a pool of possible resources as rewards rather than a single one.
    • Unlike other Nodes, the resources here cannot be increased using any equipment.
TransportLoadoutNode.png
Transport Loadout
Present in any map with Trasport Loadout operation. Upon reaching this node, the fleet's Drum, Landing Craft, Landing Craft, and Ration, as well as ships that are not Heavily Damaged will be taken account of. The result of this node determines the quantity of Transport Points (TP) deducted of a map's Transport Gauge after a successful Boss Battle with A-Rank or higher. Simply reaching this node has no effect on the map's Transport Gauge.
AirReconNode.png
Aerial Reconnaisance Node
Exclusive to 6-3. Can reward some Ammo Ammunition, Bauxite Bauxite, or Devmats Development material, using some aircraft. The type of aircraft as well as the ship carrying it influences the result. Unlike Resource Nodes, the resources obtainable originate from a drop pool.
  • If the Boss Battle is a Defeat, the resources are forfeited. Otherwise, a small message saying that the resources were secured will be shown on the lower right side of the victory screen.
  • See here for more detail.

Note about Consumption:

  • These percent values are applied to a ship's maximum Fuel/Ammo stat. The amount subtracted is rounded down but at least 1 in most cases, except for Pursuing the enemy into night battle and Night to Day Battle where the ammo cost is rounded up.
  • In maps introduced prior to Fall 2017 Event (including pre-Phase 2 maps), Submarine battle nodes costed 20% Fuel 0% Ammunition, and Air Raid nodes costed 8% Fuel 4% Ammunition
  1. 1.0 1.1 Rounded Up

See Also