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World 6

World 6-1: 中部海域哨戒線 Central Sea Combat Patrol Line

 
Strategy Name
潜水艦作戦 (Submarine Operation)
Difficulty
☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆
Item
-
Strategy Content
有力な潜水艦隊を編成し、中部海域哨戒線に進出せよ。敵艦隊を発見、これを漸減撃滅せよ！
Organize a strong submarine fleet and advance a patrol line into the Middle Sea region. Locate enemy fleets and gradually destroy them!
6-1 CV Fleet
Fleet 1CV, 1CL, 1CLT, 3SS(V)
Route C F G H K
Other Notes Has a 15% chance to off-route to Node I
AP AS AS+
56 126 252
6-1 AS Fleet
Fleet 1AS, 1CL, 4SS(V)
Route A F G H K
Other Notes
AP AS AS+
56 126 252

Map Unlocking & Progression

6-1 is unlocked after clearing 5-4 HP bar.

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

Stage Guide

6-1 Branching Rules
Nodes Rules
Start
A
  • Meet ANY of the following to FORCE B
    • CA(V)+(F)BB(V)+CV(L/B) ≥ 3
    • (F)BB(V) ≥ 2
  • Meet ANY of the following to go to A
    • Fleet contains SS(V) only
    • Fleet contains AS and meets one of the following
      • SS(V) ≥ 3, no other ship types allowed
      • SS(V) = 3 and DD = 2
      • SS(V) = 4 and CL+DD = 1
  • Go to B if fleet contains no CL and DDs
  • Otherwise, C
B
C
A
D
  • Fleet does not contains AS
F
  • AS Is in the fleet
G
H
  • Meet ALL of the following requirements:
    • Amount of SS(V) ≥ 3
    • Amount of BB(V) + CV(L/B) + CA(V) ≤ 1
    • Pass the LoS check: ≥ 16 (Cn4)
      • Routing becomes random if 12 ≤ LoS ≤ 15.9 (Cn4)
I
  • Meet ANY of the following requirements:
    • Fail the LoS check
    • Amount of SS(V) ≤ 2
    • Amount of BB(V) + CV(L) + CA(V) ≥ 2
  • If the fleet does not contain AS:
    • 15% chance of off-routing to I regardless of LoS check result
H
E
  • Always node E if LoS ≤ 20 (Cn4)
  • If the fleet contains AS:
    • Always node K if LoS ≥ 25 (Cn4)
    • Random between E and K if 20 ≤ LoS ≤ 24.9 (Cn4)
  • If the fleet does not contain AS:
    • Always node K if LoS ≥ 36 (Cn4)
    • Random between J and K if 25 ≤ LoS ≤ 35.9 (Cn4)
    • Random between E, J and K if 20 ≤ LoS ≤ 24.9 (Cn4)
J
K


Tips

  • At least 3 SS(V) are required to reach the boss.
  • There are LoS checks at G H and H K. They do not have high LoS requirements, but an all-submarine fleet without recons/radar can be sent to I.

Recommended Fleets

  • 1 CV(B), 1 CL, 1 CLT, 3 SS(V)
  • Route = C F G H K
    • Has a 15% chance to off-route to Node I
      • The CLT can be replaced with an AS to avoid this.
    • Most effective fleet for taking out the boss but it will have to go through node C where there's a Ru-class Flagship.
  • Using a Midget Submarine 
     
          on both the CL & CLT gives a powerful Opening Torpedo Salvo (Otorp).
  • For the CV, either:
    • The CV may use several Jets 
             , adding the Jet Assault phase to the already strong Otorp, allowing to wipe all pre-boss fleets before they can attack the fleet.
    • The CV should be equipped with a   range extender to be set on Long Range, and so act first after the Opening phases (note that Jets also extend the range to long).
  • Try to use a CVB so that it can attack even in Chuuha.

  • 6 SS(V)
  • Route = A D F G H K
    • Allows the fleet to completely ignore any enemy ships that can't attack SSs, however node D is pretty harsh on SS with late-model DDs and flagship CLs.
    • Count on the Opening Torpedo Salvo (Otorp) & cut-in attacks (at boss), so only remodeled SS are recommended when using this composition.
    • Recon seaplanes or Submarine Radars 
       
              may be used to meet the LoS requirements.
    • As SSVs have few slots, only one may just carry all the seaplanes. As many combat-capable submarines as possible are needed for this route.

  • 1 CL, 4 SS(V), 1 AS
  • 2 DD, 3 SS(V), 1 AS
  • Route = A F G H K
    • The shortest route in terms of the number of battles.
    • 1 AS combined with at least 2 SS(V) unlocks the "Submarine Touch", a special attack that can trigger several times on the map, consuming a Submarine Supply Material per battle.
    • The AS can equip seaplane recons to free up slots for the SS(V)s.
    • A trade-off is that any enemy ship still in light damage or better shape at the end of the shelling phase will have fewer targets to launch their torpedoes at, so the AS and its escorts have to tank all the preboss ships that can't perform ASW.

Node I has some good drops like I-401 .

  • To farm here, it is possible to use:
    • 1 (F)BB(V), 1 CV(B), 1 CL, 3 CLT
    • 2 CV(B), 1 CL, 3 CLT
    • Route = C F G I

Enemy Compositions

 
6-1 A
# Empty Node
A 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
6-1 B
# Empty Node
B 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
6-1 C: 中部海域　敵遊撃部隊 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
C Double Line             
8/16
35/69
Line Ahead
Double Line 		            
8/16
35/69
Line Ahead             
8/16
35/69
# Formation Normal Battle Node AD/AP
AS/AS+
6-1 D: 中部海域哨戒戦 A地点 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
D Line Ahead
Diamond
Echelon 		           0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
6-1 E
# Empty Node
E 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
6-1 F: 中部海域哨戒戦 B地点 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
F Double Line            0/0
0/0
Double Line            0/0
0/0
Diamond            0/0
0/0
Double Line             
0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
6-1 G
# Empty Node
G 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
6-1 H: 中部海域哨戒戦 D地点 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
H Echelon             
0/0
0/0
Diamond             
0/0
0/0
Double Line             
0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
6-1 I: 敵機動部隊 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
I Diamond              
61/121
270/540
Diamond             
33/65
144/288
Diamond               
57/113
252/504
# Formation Normal Battle Node AD/AP
AS/AS+
6-1 J: 中部海域 敵輸送船団 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
J Line Ahead             
0/0
0/0
Line Ahead             
0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
6-1 K: 敵回航中空母 (PoiDB)
# Formation Boss Battle Node AD/AP
AS/AS+
K Diamond
Double Line 		             
29/57
126/252
Diamond              
29/57
126/252
Diamond              
29/57
126/252
# Formation Boss Battle Node AD/AP
AS/AS+

Ship Drops

This map currently has "limited-time" drops, see Drop List for more info.
  • The below table contains limited-time drop data and may not be up to date.
Ship drops
Type Ship? C D F H I J K
SS Maruyu ✔️ ✔️
SSV I-401 ✔️
AS Taigei ✔️
DD Yukikaze ✔️
DD Makigumo ✔️
DD Naganami ✔️
CL Kitakami ✔️
CL Ooi ✔️
CL Nagara ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Kinu ✔️
CL Sendai ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Yuubari ✔️
CA Kinugasa ✔️
CA Myoukou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Takao ✔️ ✔️ ✔️ ✔️ ✔️
CA Atago ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Mogami ✔️ ✔️ ✔️ ✔️ ✔️
CA Suzuya ✔️
CA Kumano ✔️
CA Tone ✔️ ✔️ ✔️ ✔️
CA Chikuma ✔️ ✔️ ✔️ ✔️ ✔️
CVL Ryuujou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CVL Shouhou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CVL Zuihou ✔️
CVL Hiyou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CVL Junyou ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
FBB Kongou ✔️ ✔️ ✔️ ✔️
FBB Hiei ✔️ ✔️ ✔️ ✔️
FBB Haruna ✔️ ✔️ ✔️ ✔️
FBB Kirishima ✔️ ✔️ ✔️ ✔️
BB Fusou ✔️
BB Yamashiro ✔️
BB Ise ✔️
BB Hyuuga ✔️
BB Nagato ✔️
BB Mutsu ✔️
CV Souryuu ✔️
CV Hiryuu ✔️
SS I-8 ✔️ ✔️ ✔️
SS I-19 ✔️ ✔️ ✔️ ✔️ ✔️
SS I-58 ✔️ ✔️ ✔️ ✔️
DD Mutsuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Kisaragi ✔️ ✔️ ✔️ ✔️ ✔️
DD Satsuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Fumizuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Nagatsuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Kikuzuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Mikazuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Mochizuki ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Ayanami ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Shikinami ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Oboro ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Akebono ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Sazanami ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Ushio ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
DD Samidare ✔️ ✔️ ✔️ ✔️ ✔️
DD Suzukaze ✔️ ✔️ ✔️ ✔️ ✔️
CL Tenryuu ✔️
CL Tatsuta ✔️
CL Kiso ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Isuzu ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Natori ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Yura ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Jintsuu ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CL Naka ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Furutaka ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Kako ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Aoba ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Nachi ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Ashigara ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Haguro ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Maya ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CA Choukai ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
CVL Houshou ✔️
SS I-168 ✔️ ✔️ ✔️ ✔️ ✔️ ✔️ ✔️
AV Chitose ✔️
AV Chiyoda ✔️


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