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World 6/6-4

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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
離島再攻略作戦 (Island Recapture Operation)
Difficulty
☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆
Item
-
Strategy Content
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 Carrier or a torpedo squadron flagship! Fleet, set sail!
6-4 West Fast fleet
Fleet 1CL(flagship), 1(F)BB(V), 3DD, 1CAV
Route B D C F N
Other Notes Fast
AP AS AS+
75 168 336
6-4 West "Touch fleet"
Fleet Nagato Kai Ni , Mutsu Kai Ni , 1CL/CAV, 2DD, Akitsushima 
Route A D C F N
Other Notes Named ships are mandatory.
AP AS AS+
75 168 336

Map Unlocking & Progression

6-4 is unlocked after clearing 6-3 HP bar.

To clear the map, the boss's flagship must be sunk 5 times.

  • 1 LBAS is available on this map.

Stage Guide

6-4 Branching Rules
Nodes Rules
Start
A
  • 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
  • Otherwise, go to A
B
M
A
D
  • 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
E
D
C
  • Fixed Route
E
D
G
  • Does not meet the requirements to go to D
J
I
  • 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
L
N
K
H
  • Meet ANY of the following to go to H
    • (F)BB(V) ≥ 2
    • (F)BB(V)+CA(V) ≥ 3
    • DD ≤ 1
  • Otherwise, J
J


Historical Routing

Ships with special routing on the map:

BB
 Kai Ni  Kai Ni
DD
 
AV
 

Tips

This map features multiple starting zone positions.

  • Fleet consisting of a Torpedo Squadron (i.e. mostly CLs and DDs) will start on the West side of the map.
  • Existence of any carrier, 2BB, or 3CA(V)s will start on the East (Nagato Kai Ni + Mutsu Kai Ni is the exception)
  • Having 0 or 1 DD will also start on the East
  • You cannot bring more than 2(F)BB(V)s or 2CV(L)s.

Regarding Boss fleet

  • Boss Fleet is heavily affected by your HQ level.
    • Admirals below HQ level 103 will not feature a 6-enemy composition in the boss composition outside of the last kill, but will have a chance of appearing if your HQ level is 103 or higher.
    • Admirals below HQ level 113 have a chance of rolling a 5-enemy composition with the Late Model DDs (This is the easiest comp). But once your HQ is 113 or higher, this composition will disappear completely and can no longer be rolled.
  • Boss fleet's flagship is Isolated Island Princess, a Hard-skinned Installation.
  Dive-Bombers that can attack installations
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.
 
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

Regarding Land-Based Air Squadrons

See the unlocking steps here: LBAS Unlocking

  • You are permitted to use 1 Land-Based Air Squadron.
  • There is no air raid on this map.
  • Upon completing the quest F43, you will gain access to an LBAS, which is highly recommended to help simplify the battle on the boss node for this map.
  • It's recommended to bring 2 Land Based Bombers and 2 Fighters if you have access to your LBAS.
    • 3 Land-Based Bombers and 1 Fighter is a viable alternative if you want to damage more the installations, but it may result in more plane losses.
    • Another alternative is to bring 4 Land Based Bombers and focus them on Node C instead of the boss. Plane losses here are minimal. This can significantly improve the pass rate of an Akitsushima fleet which emphasizes anti-installation over anti-ship performance.
  • The Distance your Land-Based Planes can travel on this map is calculated from Start Point 1 and heading eastward each node.
  • Bring planes with a distance of 5 or more in order to reach the boss.
  • If your Land-Based planes focus on targeting the Artillery Imps and Supply Depot Princess, the battle will be easier.
  • This map can also train your Land-Based attack planes if you haven't unlocked 7-4 LBAS yet. Bring only Land-Based bombers with a range of 8 or more on Node M, and sortie a single SS.

Recommended Fleets

Regular fleets (must be fast):

  • 1CL (flagship), 1(F)BB(V), 3DD, 1CA(V)
  • 1(F)BB(V), 4DD, 1CA(V)
  • Nagato Kai Ni, Mutsu Kai Ni, 4DD
  • 1CL (flagship), Nagato Kai Ni, Mutsu Kai Ni, 3DD
  • Route = B D C F N
    • Gives the shortest and easiest route to the boss, but requires a Fast fleet, this means that using slow BB implies the use of  Speed modifiers 
       
             .
    • 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's highly recommended to have an SPF to help maintain AS/AP over the fights on your way to the boss. However, Ise Kai Ni or Hyuuga Kai Ni can guarantee AS, and even give a good chance for air supremacy at the boss when combined with the aforementioned (and still have two free slots after making fast, if given the RE slot).
Akitsushima fleets:

  • 1CV(L) (Flagship), 1BB(V), 1CA(V), 1CL, 2DD
  • Route = M K J I N
    • NOT RECOMMENDED for normal clear, only use this comp for this particular quests like By10, due to the nature of 6-4 East route pre-boss having a lot of dangerous enemies that can potentially wreck your ships.
      • 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. A particularly dangerous enemy, Aircraft Carrier Princess, is found at Node J when the boss is her final form. She may also appear in same node after clearing this area. With all these highly dangerous enemies awaiting in pre-boss, a proper fleet with strong ships and equipment is required if you wish to pass all these nodes safely.
    • LBAS can be used on preboss pass them more easily, but you may suffer on the boss fight if you lack good anti-installation equipment.
    • Keep in mind that Artillery Imp at the boss node has high AA that can easily wipe out the bombers aboard your CVs. Do consider the bombers that have AA resistance so that your CV can at least perform shelling and take out some of the escort enemies.
    • The CAV can be replaced with an LHA to skip node I, which is an air raid node, but LHA may have some issue surviving the pre-boss.
      • LHA can be anti-installation focused, with Nukes.

LBAS Range Map

 

Enemy Compositions

 
6-4 A: 中部海域哨戒水雷戦隊 A群 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
A Double Line 160             
0/0
0/0
Line Ahead 170             
0/0
0/0
Line Ahead 190             
0/0
0/0
Line Ahead
(Final)
 200             
0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
6-4 B: 中部海域哨戒水雷戦隊 B群 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
B Line Ahead
Double Line 		150            0/0
0/0
Line Ahead 160            0/0
0/0
Line Ahead 170            0/0
0/0
Line Ahead
(Final)
 190            0/0
0/0
Line Ahead
(Final)
 200            0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
6-4 C: 離島防衛低速戦艦部隊 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
C Line Ahead
Double Line 		220             
3/6
12/24
Line Ahead 240             
3/6
12/24
Line Ahead 250             
9/17
36/72
Line Ahead
(Final)
 260             
9/17
36/72
Line Ahead
(Final)
 280             
9/17
36/72
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
6-4 D: 離島陸上航空隊 (PoiDB)
# Enemy
Form. 		Base EXP Air Defense Node AD/AP
AS/AS+
D Line Ahead 120      20/40
89/177
Line Ahead 120      28/55
123/246
# Enemy
Form. 		Base EXP Air Defense Node AD/AP
AS/AS+
6-4 E: 中部海域哨戒遊撃部隊 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
E Line Ahead 140             
0/0
0/0
Line Ahead 150             
0/0
0/0
Line Ahead 160             
0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
6-4 F: 離島陸上航空隊 (PoiDB)
# Enemy
Form. 		Base EXP Air Defense Node AD/AP
AS/AS+
F Line Ahead 130      20/40
89/177
Line Ahead 140     27/53
117/234
Line Ahead 150      28/55
123/246
# Enemy
Form. 		Base EXP Air Defense Node AD/AP
AS/AS+
6-4 G: 離島陸上航空隊 (PoiDB)
# Enemy
Form. 		Base EXP Air Defense Node AD/AP
AS/AS+
G Line Ahead 100      20/40
89/177
Line Ahead 100      28/55
123/246
# Enemy
Form. 		Base EXP Air Defense Node AD/AP
AS/AS+
6-4 H: 離島防衛低速戦艦部隊 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
H Line Ahead 180             
9/17
36/72
Line Ahead 200             
9/17
36/72
Line Ahead 210             
8/16
35/69
Line Ahead
(Final)
 230             
8/16
35/69
Line Ahead
(Final)
 260             
8/16
35/69
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
6-4 I: 離島混成航空隊 (PoiDB)
# Enemy
Form. 		Base EXP Air Defense Node AD/AP
AS/AS+
I Diamond 160             34/68
152/303
Diamond 170              36/71
158/315
# Enemy
Form. 		Base EXP Air Defense Node AD/AP
AS/AS+
6-4 J: 任務部隊 I群 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
J Diamond ?              
37/73
162/324
Diamond 270              
37/73
162/324
Diamond 280               
43/85
189/378
Diamond 290               
45/89
198/396
Diamond
(Final)
 330               
44/87
194/387
Diamond
(Final)
 350               
44/87
194/387
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
6-4 K: 任務部隊 II群 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
K Diamond 200               
34/67
150/300
Diamond 220               
35/69
155/309
Diamond 240              
37/73
162/324
Diamond 250               
43/85
189/378
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
6-4 L: 増援護衛空母部隊 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
L Double Line
Diamond 		140            16/31
69/138
Diamond 160             
16/31
69/138
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
6-4 M: 中部海域潜水哨戒線 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
M Echelon 120          0/0
0/0
Line Abreast
Echelon 		140            0/0
0/0
Echelon
Line Abreast 		160            0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
6-4 N: 離島守備隊 (PoiDB)
# Enemy
Form. 		Base EXP Boss Battle Node AD/AP
AS/AS+
N Line Ahead 640             27/53
117/234
Line Ahead 680            12/23
51/102
Line Ahead 700              
38/75
168/336
Line Ahead 720             
17/33
72/144
Line Ahead
(Final)
 740             
17/33
72/144
Line Ahead
(Final)
 740             
17/33
72/144
# Enemy
Form. 		Base EXP Boss Battle Node AD/AP
AS/AS+

Ship Drops

Ship drops
Type Ship? A B C E J K L N
DD Asagumo ✔️
DD Tokitsukaze ✔️
DD Tanikaze ✔️ ✔️ ✔️
AV Mizuho ✔️
AV Akitsushima ✔️
AO Hayasui ✔️
DD Yayoi ✔️ ✔️ ✔️ ✔️ ✔️
DD Yamagumo ✔️
DD Urakaze ✔️ ✔️ ✔️
DD Akigumo ✔️
DD Yuugumo ✔️
DD Makigumo ✔️
CL Nagara ✔️
CL Sendai ✔️
CL Yuubari ✔️ ✔️ ✔️ ✔️ ✔️
CA Kinugasa ✔️ ✔️ ✔️ ✔️
CA Takao ✔️
CA Atago ✔️
CA Mogami ✔️
CA Tone ✔️ ✔️ ✔️ ✔️
CA Chikuma ✔️ ✔️ ✔️
FBB Kongou ✔️
FBB Hiei ✔️
FBB Haruna ✔️
FBB Kirishima ✔️
BB Fusou ✔️
BB Yamashiro ✔️
BB Ise ✔️
BB Hyuuga ✔️
BB Nagato ✔️
BB Mutsu ✔️
CV Souryuu ✔️ ✔️ ✔️ ✔️
CV Hiryuu ✔️ ✔️
DD Mutsuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Kisaragi ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Satsuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Fumizuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Nagatsuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Kikuzuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Mikazuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Mochizuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Fubuki ✔️
DD Shirayuki ✔️
DD Hatsuyuki ✔️
DD Miyuki ✔️
DD Murakumo ✔️
DD Isonami ✔️
DD Ayanami ✔️
DD Shikinami ✔️
DD Oboro ✔️
DD Akebono ✔️
DD Sazanami ✔️
DD Ushio ✔️
DD Akatsuki ✔️
DD Hibiki ✔️
DD Ikazuchi ✔️
DD Hatsuharu ✔️
DD Nenohi ✔️
DD Wakaba ✔️
DD Hatsushimo ✔️
DD Shiratsuyu ✔️ ✔️ ✔️ ✔️ ✔️
DD Shigure ✔️ ✔️ ✔️ ✔️
DD Murasame ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Yuudachi ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Samidare ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Suzukaze ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Tenryuu ✔️ ✔️ ✔️ ✔️ ✔️
CL Tatsuta ✔️ ✔️ ✔️ ✔️
CL Kuma ✔️
CL Tama ✔️
CL Kiso ✔️
CL Isuzu ✔️
CL Natori ✔️
CL Yura ✔️
CL Jintsuu ✔️
CL Naka ✔️
CA Furutaka ✔️ ✔️ ✔️ ✔️ ✔️
CA Kako ✔️ ✔️ ✔️ ✔️ ✔️
CA Aoba ✔️ ✔️ ✔️ ✔️ ✔️
CA Maya ✔️
CA Choukai ✔️
AV Chitose ✔️ ✔️ ✔️ ✔️
AV Chiyoda ✔️ ✔️ ✔️ ✔️


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