World 6-4: 中部北海域ピーコック島沖 - Peacock Island, On Northern Part of Central Waters
Strategy Name
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離島再攻略作戦 Island Recapture Operation
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Difficulty
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☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆
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Item
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-
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Strategy Content
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水雷戦隊を旗艦とした攻略部隊または空母最大2隻を擁する機動部隊による中部海域離島攻略作戦を発動!艦隊、出撃せよ! Organize a unit to undertake an operation to capture the Island. Form a fleet consisting of a maximum of 2 aircraft carriers or with a torpedo squadron flagship! Fleet, set sail!
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Boss Air Control
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AD
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AP
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AS
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AS+
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50
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75
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168
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336
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Boss Route Air Control
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AD
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AP
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AS
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AS+
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59
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88
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198
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396
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6-4 Unlocking & Progression
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Unlock conditions
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6-4 is unlocked after clearing 6-3 HP bar
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Clear conditions
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To clear the map: the boss's flagship must be sunk 5 times
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Notes
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1 LBAS is available on this map
- The LBAS is only available once F43 is cleared
- See the unlocking steps here: LBAS Unlocking
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Stage Guide
6-4 Branching Rules
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Nodes |
Rules
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Start
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- Meet ANY of the following to FORCE M
- Fleet contains LHA
- Fleet contains any CV(L)
- Fleet contains 3 CAV
- Fleet contains DD ≤ 1
- Fleet contains 2 (F)BB(V)
- Meet ALL of the following to go to B
- FAST fleet
- AND meet one of the following
- Otherwise, go to A
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- Meet ANY of the following to go to D
- Fleet contains Akitsushima and meets ONE of the following
- CAV = 1
- Fleet contains CL
- DD ≥ 3
- Meet ALL of the following
- Fleet contains CL as flagship OR DD ≥ 3
- Fast fleet
- Fleet contains no (F)BB(V)
- Otherwise, E
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- Does not meet the requirements to go to D
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- FORCE node N if fleet contains LHA, CL = 1 and DD ≥ 2
- Meet ALL of the following to go to I
- Fleet contains CL
- Amount of DD ≥ 2
- Amount of (F)BB(V) + CV(B/L) ≤ 3
- If CV(B/L) = 2, then fleet must be Fast
- If CV(B/L) = 2, then amount of (F)BB(V) = 0
- Otherwise, L
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- Meet ANY of the following to go to H
- (F)BB(V) ≥ 2
- (F)BB(V)+CA(V) ≥ 3
- DD ≤ 1
- Otherwise, J
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Historical Routing
Ships with special routing on the map:
Tips
This map features multiple starting zone positions.
- Fleets consisting of a Torpedo Squadron (i.e. mostly CLs and DDs) will start on the West side of the map.
- Fleets containing any CV(B/L), 2 (F)BB(V), or 3CA(V)s, or having less than 2 DD, will start on the East (Nagato Kai Ni + Mutsu Kai Ni is the exception)
- It is not possible to bring more than 2 (F)BB(V) or 2 CV(B/L).
- Regarding Land-Based Air Squadrons
1 Land-Based Air Squadron can be sortied on the map.
- There is no air raid on this map.
- It is highly recommended to use this LBAS to help simplify the battle on the boss node for this map.
This map can also train land-based attackers if 7-4 LBAS is not unlocked yet. Bring only Land-Based bombers with a range of 8 or more on Node M, and sortie a single SS.
Regarding Boss Fleet
Boss Fleet is heavily affected by the HQ level.
- If HQ < 103: no 6-enemy composition is found in the boss compositions outside of the Last Dance.
- If HQ < 113: have a chance of rolling the easiest comp (5-enemy composition with the Late Model DD).
The Boss is the Isolated Island Princess, a Hard-skinned Installation, with Artillery Imps and a Supply Depot Princess are escorting her.
- Using
Anti-Ground Rockets

,
"Landing Equipments", and
Amphibious Tanks
will do great damage to them, especially if arranged in Nuke set-ups to damage the Supply Depot Princess.
- If having enough Anti-Ground Rockets, a 4 slots CL and equip her with 2 of them may be used.
- Aircraft carriers CANNOT attack installations if they have a
equipped UNLESS it's one of the dive-bombers from the following list:
Expand Dive-Bombers that can attack installations
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This is a segment from a bigger article. See Combat/Anti-Installation for details on Installation mechanics.
Carriers will only attack installations in the shelling phase if equipped with Torpedo Bombers or Anti-Installation Dive Bombers.
- Additionally, carriers will attack installations if equipped with non-special dive bombers AND one of the special dive bombers below.
- Any other dive bomber will completely disable shelling against installations even if the carrier has a torpedo bomber equipped.
- This can be very useful to manipulate the targeting mechanic so the carriers attack important targets.
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 Ju 87C Kai
 Prototype Nanzan
 F4U-1D
 FM-2
 Ju 87C Kai Ni (w/ KMX)
 Ju 87C Kai Ni (w/ KMX/Skilled)
 Suisei Model 12 (634 Air Group w/ Type 3 Cluster Bombs) AAR
 Suisei Model 12 (w/ Type 31 Photoelectric Fuze Bombs) AAR
 Type 99 Dive Bomber Model 22
 Type 99 Dive Bomber Model 22 (Skilled)
 SB2C-3
 SB2C-5
 F4U-4 AAR
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Recommended Fleets
ExpandWest Akitsushima Route
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Fleet Info
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Single
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Nagato Kai Ni, Mutsu Kai Ni, 1 CAV/CL, 2 DD, Akitsushima
1 BB(V), 1 CAV, 1 CL, 2 DD, Akitsushima
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LoS
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Any
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Speed
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Any
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RouteNode Types: RED: Battle PURPLE: Night Battle PINK: Air Raid/Battle ORANGE: Enemy Ambush/ASS BLUE: Empty/Choice Light Blue: Emergency Anchorage Repair GREEN: Resource/TP VIOLET: Maelstrom
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A D C F N
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Quests
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Bq2, Bq13
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Air State
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AD
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AP
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AS
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AS+
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50
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75
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168
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336
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LBAS
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Range
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AS Sortie
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AS Defense
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Node C: 3 / Node N: 5
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168
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N/A
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Fleet Notes
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Akitsushima allows for the shortest possible path on the west entrance with a strong fleet.
- Akitsushima should be armed with 2-3 SPF, as her role will be to serve as a distraction and to achieve a degree of air superiority at the boss node, depending on the formation.
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LBAS Notes
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The base should be sent on the boss, using Land-based Bombers and Land-based Fighters.
- Using more bombers is advised to further damage the installations, at the cost of more plane losses, else, using fighters can help reduce those loses.
An alternative is to bring 4 land-based bombers and focus them on Node C instead of the boss, to significantly improve the pass rate.
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ExpandWest Route
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Fleet Info
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Single
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Normal:
- 1 CL (flagship), 1 (F)BB(V), 1 CA(V), 3 DD
- 1 (F)BB(V), 1 CA(V), 4DD
Historical:
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LoS
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Any
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Speed
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Fast (unless using both Nagato-class Kai Ni)
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RouteNode Types: RED: Battle PURPLE: Night Battle PINK: Air Raid/Battle ORANGE: Enemy Ambush/ASS BLUE: Empty/Choice Light Blue: Emergency Anchorage Repair GREEN: Resource/TP VIOLET: Maelstrom
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B D C F N
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Quests
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Bq2, Bq13
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Air State
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AD
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AP
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AS
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AS+
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50
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75
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168
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336
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LBAS
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Range
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AS Sortie
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AS Defense
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Node N: 5
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168
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N/A
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Fleet Notes
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Gives the shortest and easiest route to the boss, but requires a Fast fleet, this means that using slow BB(V)/CL have to be speed modded.
- Fleet has the best chance of reaching the boss node while maintaining fuel and ammo to allow for a better outcome in the boss fight.
It is highly recommended to have an SPF to help maintain AS/AP on the route.
- Ise-class Kai Ni with fighters can guarantee AS, and even give a good chance for air supremacy at the boss (and still have 1 free slot after making fast with a RE).
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LBAS Notes
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The base should be sent on the boss, using Land-based Bombers and Land-based Fighters.
- Using more bombers is advised to further damage the installations, at the cost of more plane losses, else, using fighters can help reduce those loses.
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ExpandEast Route
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Fleet Info
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Single
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1 CV(B/L) (flagship), 1 BB(V), 1 CA(V), 1 CL, 2 DD
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LoS
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Any
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Speed
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Any
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RouteNode Types: RED: Battle PURPLE: Night Battle PINK: Air Raid/Battle ORANGE: Enemy Ambush/ASS BLUE: Empty/Choice Light Blue: Emergency Anchorage Repair GREEN: Resource/TP VIOLET: Maelstrom
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M K J I N
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Quests
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By10
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Air State
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AD
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AP
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AS
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AS+
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50
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75
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168
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336
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LBAS
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Range
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AS Sortie
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AS Defense
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Node K: 7 / Node J: 6 / Node N: 5
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168
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N/A
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Fleet Notes
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NOT RECOMMENDED for normal clear, only use this comp for particular quests, due to the very hard nature of 6-4 East route.
- Node M is full of So-Class SSs, while node K and J each have Wo Kai Flagship CV, accompanied by either Ta-Class Flagship BB or Ru-Class Kai Flagship BB. An Aircraft Carrier Princess is found at Node J on Last Dance. With all these highly dangerous enemies awaiting in pre-boss, a strong fleet is required to pass safely.
Keep in mind that the boss's Artillery Imps have high AA that can easily wipe out the CV's bombers, so do consider the bombers that have AAR.
The CAV can be replaced with an LHA to skip node I, which is an air raid node, but LHA may have some issues surviving the pre-boss.
- LHA can be anti-installation focused, with Nukes.
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LBAS Notes
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The base should be sent on the boss, using Land-based Bombers and Land-based Fighters.
- Using more bombers is advised to further damage the installations, at the cost of more plane losses, else, using fighters can help reduce those loses.
LBAS can be used on prebosses to pass them more easily.
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Enemy CompositionsCollapse
Ship Drops
☑ All drops (enabled)☒ All drops (disabled, only rare drops)