Combat/Map Mechanics and Nodes
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:
- Single fleet,
- Combined Fleet, either Carrier Task Force (CTF), Surface Task Force (STF), or Transport Escort Force (TCF/TE),
- Striking Force Fleet.
- 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.
- The presence of "Active Branching", where a path must be manually selected.
- 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.
- Equipment types and quantity used in the fleet, like Surface Radars or Drums.
- The curent Fleet tag on certain events maps.
- 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
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.
Initial state of the Fall 2020 E-3 map
Final state of the Fall 2020 E-3 map
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 | |
|---|---|---|---|
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 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.
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% | |
 Night Battle |
Night Battle nodes consist of only the Night Battle phase. The battle will automatically finish after the Night Shelling phase is ended.
|
10% | 10% |
 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.
|
20% | 30%[1] |
 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.
|
20% | 20% |
Short Battle Nodes
These battle nodes have different objectives and win conditions from the regular battles.
| Node | Description | Consumption | |
|---|---|---|---|
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 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. | 6% | 4% |
| World 6: 4% |
World 6: 8% | ||
 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.
|
20% | 20% |
 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).
|
4% | — |
Non-Combat Nodes
These nodes present different mechanics that are unrelated to combat.
| Node | Description | Consumption | ||||||||||||||||||||||||||||||||||||||||
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 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. |
— | — | |||||||||||||||||||||||||||||||||||||||
 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. | — | — | |||||||||||||||||||||||||||||||||||||||
 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. |
— | — | |||||||||||||||||||||||||||||||||||||||
| Emergency Repairs Node |
Generally only accessible with either Akashi Kai, Akitsushima Kai, or any Kai AO present in the fleet. By equipping Ship 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. |
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 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 and are applied immediately. The strenght of Maelstroms can be mitigated by the number of ships independently carrying a RADAR. Maelstroms drain either or , 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.
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0 or X% | 0 or X% | |||||||||||||||||||||||||||||||||||||||
 Resource Node |
Upon entering, adds a specific amount of a specific Resource (   ), consumables (   ), or Coin Boxes (   ) 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
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 Finish Line Harbour Node |
Is often considered an Ending node like Boss nodes.
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— | — | |||||||||||||||||||||||||||||||||||||||
 Transport Loadout |
Present in any map with Trasport Loadout operation. Upon reaching this node, the fleet's  ,  , , and  , 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.
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— | — | |||||||||||||||||||||||||||||||||||||||
 Aerial Reconnaisance Node |
Exclusive to 6-3. Can reward some Ammo , Bauxite , or Devmats , 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.
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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.
- Some mechanics like Special Attacks will increase ammo consumption.
- In maps introduced prior to Fall 2017 Event (including pre-Phase 2 maps), Submarine battle nodes costed 20% 0% , and Air Raid nodes costed 8% 4%