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World 4/4-1

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World 4-1: ジャム島攻略作戦 Battle of Jam Island

 
Strategy Name
ジャム島攻略作戦 (Jam Island Capture Tactics)
Difficulty
☆ ☆ ☆ ☆
Item
Strategy Content
西方作戦の第一弾として、ジャム島攻略作戦を展開せよ！ (対潜警戒を厳とせよ)
As the first step of the Western strategy, carry out an operation to capture Jam Island! (Take Anti-Submarine Precautions)
4-1 Light Fleet
Fleet 1CA(V), 1CL, 4DD
Route Random.
A B D H J
C F H J
Other Notes
AP AS AS+
16 36 72
4-1 Heavy Fleet
Fleet 2CV(L), 1CLT, 3XX (XX can't be (F)BB(V) or CV(L))
Route Random.
A B D G J
C F D G J
Other Notes
AP AS AS+
16 36 72

Stage Guide

4-1 Branching Rules
Nodes Rules
Start
A
  • Random routing
C
C
E
  • If (F)BB(V)+CV(L/B) ≥ 5, go to E.
  • If (F)BB(V)+CV(L/B) ≤ 2, go to F.
  • If (F)BB(V)+CV(L/B) = 4, 30% F, 70% E
  • Else, random routing (50/50)
F
D
G
  • Random routing if fleet contains any SS(V)
  • If (F)BB(V)+CV(L/B) ≥ 5, go to H.
  • Otherwise
    • Meeting ANY of the following to FORCE G
      • DD+DE ≤ 1
      • Fleet contains any (F)BB(V) or CV(B/L) AND DD = 3
      • Fleet contains any (F)BB(V) or CV(B/L), CL = 0 AND DD ≤ 3
      • (F)BB(V)+CV(L/B) = 4
    • Meeting ANY of the following to go to H
      • Fleet contains no (F)BB(V) and CV(B/L)
      • DD ≥ 4
      • CA(V) ≥ 1 AND CL+CA(V) ≥ 3
  • Random routing if not meeting any of the above conditions
H
F
D
  • Do not meet the requirements to go to H.
H
  • Meet ALL of the following requirements:
    • No (F)BB(V) or CV(L/B)
    • Meet one of the following
      • Amount of DD ≥ 4 and CL ≥ 1
      • DD+DE = 6
H
I
  • Meeting ANY of the following FORCES you to I:
    • (F)BB(V)+CV(L/B) ≥ 5
    • Fleet contains SS(V)
  • Go to J if amount of (F)BB(V)+CV(L/B) ≤ 1 AND DD ≥ 2
  • Else, random routing.
J


Tips

This map is mostly randomized on the path you take, with few notable exceptions that should be considered:

  • Avoid bringing too many (F)BB(V) and CV(L).
  • A well-balanced fleet is recommended for tackling this map.
  • While dedicated ASW setups are not necessary, mixed ASW set-up can be considered for DDs.


Recommended Fleets

  • 1CL, 2DD, 3AV/CLT/CA(V)
  • 1CL, 2DD, 2CA(V), 1BB(V)/CV(L)
  • Route = Random :
    • A B D H J
    • C F D H J
    • Will always fight 3 battles pre-boss but allow stronger ships that help withstand enemy shots compared to the light comp.

  • 1CA(V), 1CL, 4DD
  • Route = Random :
    • A B D H J
    • C F H J
    • Cheapest composition, but requires high-level CL and DDs as they need to dodge the closing torpedo if they didn't disable all of the enemies CAs, CLs, and DDs in advance.

  • 2CV(L), 1CLT, 3XX (XX can't be (F)BB(V) or CV(L))
  • Route = Random :
    • A B D G J
    • C F D G J
    • Heaviest comp, with a slightly harder pre-boss, as you will always go to Node G where Battleship Ta-Class are awaiting, in exchange, you get to bring CV(L)s for opening airstrikes and more firepower on the way to the boss and at the boss node itself.

Enemy Compositions

 
4-1 A: 敵水雷戦隊 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
A Line Ahead
Double Line 		140             
0/0
0/0
Line Ahead
Double Line 		150             
0/0
0/0
Line Ahead
Double Line 		160             
0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
4-1 B
# Resource Node
B Gained 40~120  
# Resource Node
4-1 C: 敵哨戒艦隊 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
C Line Ahead
Double Line 		150             
0/0
0/0
Line Ahead
Double Line 		170             
0/0
0/0
Line Ahead
Double Line 		180             
0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
4-1 D: 敵東方潜水艦隊 警戒隊 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
D Echelon 160             
0/0
0/0
Echelon 170             
0/0
0/0
Echelon 180             
0/0
0/0
Echelon 190             
0/0
0/0
Echelon 190             
0/0
0/0
Echelon 190            0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
4-1 E: 敵増援強襲輸送船団 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
E Double Line 300             
0/0
0/0
Double Line 300             
0/0
0/0
Double Line 310             
0/0
0/0
Double Line 320             
0/0
0/0
Double Line 330             
0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
4-1 F
# Empty Node
F 気のせいだった。/敵影を見ず。/穏やかな海です。/穏やかな海峡です。/警戒が必要です。/静かな海です。
Must be my imagination./No enemy spotted./Calm seas./Calm straits./Be alert./Peaceful seas.
# Empty Node
4-1 G: 東方艦隊 先遣戦艦部隊 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
G Line Ahead
Double Line 		250             
0/0
0/0
Line Ahead
Double Line 		280             
0/0
0/0
Line Ahead
Double Line 		300             
0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
4-1 H: 敵深海連合巡洋艦戦隊 (PoiDB)
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
H Line Ahead
Double Line 		200             
0/0
0/0
Line Ahead
Double Line 		210             
0/0
0/0
Line Ahead
Double Line 		220             
0/0
0/0
Line Ahead
Double Line 		230             
0/0
0/0
# Enemy
Form. 		Base EXP Normal Battle Node AD/AP
AS/AS+
4-1 I
# Empty Node
I 気のせいだった。/敵影を見ず。/穏やかな海です。/穏やかな海峡です。/警戒が必要です。/静かな海です。
Must be my imagination./No enemy spotted./Calm seas./Calm straits./Be alert./Peaceful seas.
# Empty Node
4-1 J: 敵深海連合部隊　司令部艦隊 (PoiDB)
# Enemy
Form. 		Base EXP Boss Battle Node AD/AP
AS/AS+
J Line Ahead 330             
0/0
0/0
Line Ahead 340             
0/0
0/0
Line Ahead 350             
0/0
0/0
Line Ahead 360             
9/17
36/72
Line Ahead 370             
9/17
36/72
Line Ahead 380             
8/16
35/69
# Enemy
Form. 		Base EXP Boss Battle Node AD/AP
AS/AS+

Ship Drops

Ship drops
Type Ship? A C D E G H J
DD Uranami ✔️
DD Shimakaze ✔️
CL Kitakami ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Kinu ✔️
CL Abukuma ✔️
CL Sendai ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Yuubari ✔️
CA Myoukou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Takao ✔️ ✔️ ✔️ ✔️ ✔️
CA Atago ✔️ ✔️ ✔️ ✔️ ✔️
CA Mogami ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Tone ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Chikuma ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CVL Ryuujou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CVL Shouhou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CVL Hiyou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CVL Junyou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
FBB Kongou ✔️ ✔️ ✔️
FBB Hiei ✔️ ✔️ ✔️
FBB Haruna ✔️ ✔️ ✔️
FBB Kirishima ✔️ ✔️ ✔️ ✔️
BB Fusou ✔️ ✔️ ✔️ ✔️
BB Yamashiro ✔️ ✔️ ✔️ ✔️ ✔️
BB Ise ✔️
BB Hyuuga ✔️
BB Mutsu ✔️
CV Kaga ✔️
CV Souryuu ✔️ ✔️
CV Hiryuu ✔️
DD Fumizuki ✔️ ✔️ ✔️ ✔️ ✔️
DD Fubuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Murakumo ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Ayanami ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Shikinami ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Akatsuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Hibiki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Ikazuchi ✔️ ✔️ ✔️ ✔️ ✔️
DD Inazuma ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Shigure ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Asashio ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Ooshio ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Arashio ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Kagerou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Shiranui ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Kuroshio ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Tenryuu ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Tatsuta ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Tama ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Kiso ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Isuzu ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Natori ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Yura ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Jintsuu ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Naka ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Kako ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Nachi ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Ashigara ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Haguro ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Maya ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Choukai ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CVL Houshou ✔️
SS I-168 ✔️
AV Chitose ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
AV Chiyoda ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️


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