World 4-1: ジャム島沖 - Jam Island
Strategy Name
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ジャム島攻略作戦 Jam Island Capture Tactics
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Difficulty
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☆ ☆ ☆ ☆ ☆
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Item
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Strategy Content
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西方作戦の第一段階として艦隊をジャム島攻略に展開!作戦を実施せよ! (対潜警戒も厳とせよ) As the first phase of Western operation, you are going to deploy your fleet on the Jam Island. Conduct this operation! (Lookout for enemy submarines strictly too.)
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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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11
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16
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36
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72
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4-1 Unlocking & Progression
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Unlock conditions
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4-1 is unlocked after clearing 3-1
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Clear conditions
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To clear the map: the boss's flagship must be sunk once
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Stage Guide
4-1 Branching Rules
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Nodes |
Rules
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Start
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- If (F)BB(V)+CV(B/L) ≥ 5, go to E.
- If (F)BB(V)+CV(B/L) ≤ 2, go to F.
- If (F)BB(V)+CV(B/L) = 4, 30% F, 70% E
- Else, random routing (50/50)
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- Random routing if fleet contains any SS(V)
- If (F)BB(V)+CV(B/L) ≥ 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(B/L) = 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
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- Do not meet the requirements to go to H.
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- Meet ALL of the following requirements:
- No (F)BB(V) or CV(B/L)
- Meet one of the following
- Amount of DD ≥ 4 and CL ≥ 1
- DD+DE = 6
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- Meeting ANY of the following FORCES I:
- (F)BB(V)+CV(B/L) ≥ 5
- Fleet contains SS(V)
- Go to J if amount of (F)BB(V)+CV(B/L) ≤ 1 AND DD ≥ 2
- Else, random routing.
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Tips
This map is mostly randomized on the path taken, with few notable exceptions that should be considered:
- Avoid bringing too many (F)BB(V) and CV(B/L).
- A well-balanced fleet is recommended for tackling this map.
- While dedicated ASW setups are not necessary, mixed ASW set-ups can be considered for DDs.
Recommended Fleets
ExpandMedium Fleet
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Fleet Info
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Single
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3 CA(V)/CLT/AV, 1 CL, 2 DD
1 BB(V)/CV(B/L), 2 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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Random:
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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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11
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16
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36
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72
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Fleet Notes
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Always fight 3 battles pre-boss but allow stronger ships that help withstand enemy shots compared to the light comp.
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ExpandLight Fleet
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Fleet Info
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Single
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1 CA(V), 1 CL, 4 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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Random:
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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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11
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16
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36
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72
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Fleet Notes
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Cheapest composition, but requires high-level CL and DD as they need to dodge the closing torpedo if they didn't disable all of the enemies CA, CL, and DD in advance.
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ExpandHeavy Fleet
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Fleet Info
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Single
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2 CV(B/L), 1 CLT, 3 XX (XX cannot be (F)BB(V)/CV(B/L))
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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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Random:
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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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11
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16
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36
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72
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Fleet Notes
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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(B/L) for opening airstrikes and more firepower on the way to the boss and at the boss node itself.
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Resource Nodes
B is a "Normal Resource Node" rewarding fuel
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- See here for more details.
Enemy CompositionsCollapse
Ship Drops
☑ All drops (enabled)☒ All drops (disabled, only rare drops)