World 2-5 Extra Operation: 沖ノ島沖 - Off Okinoshima Island
Strategy Name
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沖ノ島沖戦闘哨戒 Combat Patrol Off Okinoshima
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Difficulty
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☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆
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Item
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Strategy Content
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同方面に敵反攻の兆候が報告された。巡洋艦を中心に哨戒部隊を編成、敵艦隊の動向を探れ! There are reports of an enemy counteroffensive. Form a cruiser patrol group and track their movements!
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2-5 Unlocking & Progression
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Unlock conditions
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2-5 is unlocked after clearing 2-4
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Clear conditions
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To clear the map: the boss's flagship must be sunk 4 times
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Clearing rewards
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100 Ranking Points and 1 Medal
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Map reset
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Resets at midnight JST at the beginning of every month
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Stage Guide
2-5 Branching Rules
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Rules
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Start
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- FORCE node B if SS(V) ≥ 4
- Meet ANY of the following to go to B
- DD+DE ≥ 4
- Fleet contains CL and DD ≥ 3
- Amount of ships equipped with drum canisters ≥ 2
- Meet ANY of the following to go to C
- Fleet contains CV(B/L)
- AV ≥ 2
- Otherwise, random routing, with higher chance of going to C
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- Do not meet the requirement to go to A.
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- Meeting ANY of the following FORCES to D
- Amount of CV(B/L) ≥ 3
- Amount of (F)BB(V) ≥ 3
- Meet ANY of the following requirements to go to E
- Fleet contains CL and DD ≥ 2
- CAV ≥ 2 and DD ≥ 2
- Otherwise, random routing.
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- Do not meet the requirements to go to I.
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- Meet ALL of the following requirements:
- Fast Fleet
- Amount of DD ≥ 3
- Fleet contains CL
- Amount of CVL ≤ 2
- Amount of CA(V)+CV(B) ≤ 1
- No (F)BB(V)
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- Go to J if Slow Fleet
- Meet ANY of the following requirements to go to E:
- Fleet contains CL. Amount of DD ≥ 2
- Amount of DD ≥ 3
- Otherwise, random (65% J).
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- Meet ALL of the following requirements
- Fleet contains no (F)BB(V) or CV(B/L)
- CL+DD ≥ 4
- CL ≤ 1
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- LoS check (Cn1):
- Go to L if LoS ≥ 41
- Go to K if LoS < 34
- Otherwise, random routing between K and L.
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- LoS check (Cn1):
- Go to O if LoS ≥ 34
- Go to H if LoS < 31
- Otherwise, random routing.
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- LoS check (Cn1):
- Go to O if LoS ≥ 49
- Go to H if LoS < 42
- Otherwise, random between H and O
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- Fleet that contains (F)BB(V) ≥ 4 has a chance to go to M
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- Meet ALL of the following requirements to go to O:
- Amount of DD ≥ 2
- Fleet contains CL
- Otherwise, random routing
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Tips
This map requires a relatively high Effective Line of Sight (eLoS) in order to route to the boss.
There are 3 main routes:
- The middle route is the preferred route used for clearing since it allows for 1 CV and 1 CVL to be brought, enabling powerful opening airstrikes.
- The top north route should be considered for clearing quests such as Bm1, it can also be used for clearing despite the high cost.
- The north-middle route should only be used for clearing quests that banned heavy ships and only allow up to 1 CA(V) such as Bm7.
Recommended Fleets
ExpandMiddle Route
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Fleet Info
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Single
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0-1 CV(B), 1-2 CVL, 1 CL, 3 DD
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LoS
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Cn1: 34
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Speed
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Fast
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RouteNode Types: BLUE: Empty/Choice RED: Battle GREEN: Resource/TP VIOLET: Maelstrom PURPLE: Night Battle PINK: Air Raid/Battle ORANGE: Enemy Ambush/ASS
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C E I O
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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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13
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19
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42
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84
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Fleet Notes
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Attention should be given to fleet ordering to maximize day battle performances.
CV(B/L) able to perform strong opening airstrikes and CVCI should be used, to maximize accuracy and shelling power against the enemies at the boss node.
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ExpandNorth Route
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Fleet Info
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Single
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1 BBV, 3 CA, 2 CAV/CL, both CAV/CL need to carry 1 Drum
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LoS
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Cn1: 49
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Speed
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Any
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RouteNode Types: BLUE: Empty/Choice RED: Battle GREEN: Resource/TP VIOLET: Maelstrom PURPLE: Night Battle PINK: Air Raid/Battle ORANGE: Enemy Ambush/ASS
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B F J O
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Quests
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Bm1
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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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13
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19
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42
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84
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Fleet Notes
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All enemy compositions before the boss do not have any air power, making it easy to secure Air Supremacy (AS+) with just 1 bomber.
The boss formation is random between 3 Ru-class battleships, or 2 Ru-class battleships and 1 Wo-class carrier.
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ExpandNorth-Middle Route
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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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Cn1: 34
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Speed
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Fast
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RouteNode Types: BLUE: Empty/Choice RED: Battle GREEN: Resource/TP VIOLET: Maelstrom PURPLE: Night Battle PINK: Air Raid/Battle ORANGE: Enemy Ambush/ASS
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B F E I O
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Quests
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Bm7
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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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13
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19
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42
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84
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Fleet Notes
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This route is difficult without access to ships that are able to equip SPF/SPB to gain some air power.
- Zara Due is an ideal choice, being an SPF/SPB capable CA with a large first slot, ensuring that the SPB can survive until the boss node, potentially securing AS+. SPF may also be included to secure AS on the boss.
- Otherwise, any single CA or CL able to carry SPB/SPF will be sufficient to secure Artillery Spotting for the pre-boss nodes.
Please note that as the fleet is pretty light, there is a good chance of getting heavily damaged before reaching the boss node. Sparkling may help a bit to reach the boss node consistency.
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Resource Nodes
M N are "Special Resource Nodes" rewarding respectively fuel
and ammo
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- See here for more details.
Enemy CompositionsCollapse
Ship Drops
- Akashi drops only if currently not possessed, meaning that duplicates cannot be dropped here.
This map currently has "limited-time" drops that don't appear in the table below, see Drop List for more info. ☑ All drops (enabled)☒ All drops (disabled, only rare drops)