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World 7/7-4

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World 7-4: 昭南本土航路 Shounan Mainland Route

Strategy Name
ヒ船団海上護衛作戦 (Hi Convoy Maritime Escort Operation)
Difficulty
☆☆☆☆☆☆☆☆☆
Item
Strategy Content
南方から本土方面に重要資源を輸送するヒ船団。同船団を敵潜及び敵機動部隊から護る海上護衛作戦を発動する！抜錨せよ！
The Hi Convoy transports vital resources from the south to the mainland. To protect the fleet from enemy submarines and task forces, we're launching a maritime escort operation! Weigh anchor!
Heavy fleet
Fleet 0-1BBV, 1CVL, 1CA/CL, 2-3DD, 1-2DE
Route A B E J L P
Other Notes LBAS Node P: Range = 2
AP AS AS+
116 260 520
7-4 Farming
Fleet 1-6SS(V)
Route C D F J K M O
Other Notes LoS ≥ 32 (Cn3)
AP AS AS+
0 0 0

Stage Guide

7-4 Branching Rules
Nodes Rules
1
C
  • Meet ANY of the following to go to C
    • SS(V) ≥ 1
    • BB + FBB + CV + CVB ≥ 1
    • BBV + CVL ≥ 3
    • CA + CL ≥ 3
    • CL + CT ≥ 2
    • DD + DE ≤ 2 OR DE ≤ 1
  • Otherwise, A
A
C
D
  • Meet ANY of the following to go to D
    • SS(V) ≥ 1
    • BB + FBB + CV + CVB ≥ 1
  • Go to E if Fleet contains CL + CT ≥ 2 OR DD + DE ≥ 3
  • If fleet is none of the above, go to D
E
E
G
  • To route to G fleet must have
    • AO ≥ 1 AND DE ≥ 1 AND AO + DD + DE = 6
  • Otherwise, J
J
F
J
  • Active Branching
H
G
I
  • Fail LoS Check to go to I
  • Otherwise, L
L
J
K
  • Meet ANY of the following to go to K
    • Fail LoS Check
    • SS ≥ 1
    • BB + FBB + CV + CVB ≥ 1
    • BB + CVL ≥ 3
    • CA(V) + CV(T) ≥ 3
    • DD + DE ≤ 2 AND DE ≤ 1
  • Meet ALL of the following to go to P
    • CT = 1 AND DE ≥ 3 AND CVL + CT + DD + DE = 5
    • Number of ships = 5
  • Otherwise, L
P
L
K
P
  • All current composition routes to M. Nothing routes to P
M
M
N
  • Go to N if LoS < 45 (Cn4)
  • Random if 45 ≤ LoS < 50 (Cn4)
  • Meet ANY of the following to go to O AND LoS ≥ 50 (Cn4)
    • SS(V) ≥ 1
    • BB + CV + CVB ≥ 1
    • FBB ≥ 2
    • BBV + CVL ≥ 3
    • DD + DE ≤ 2
  • Go to P if does not meet any of the above.
O
P


Tips

Regarding Land-Based Air Squadrons

See the unlocking steps here: LBAS Unlocking

  • You are permitted to use 1 LBAS.
  • Upon completing the quest B175, 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 Land-Based Bombers, Fighters, and ASW planes in it if you want to increase your effectiveness on the Boss.
  • The LBAS range needed to reach the boss is 2, and the other nodes range is equal or higher.
    • Bring planes with a distance of 2 or more in order for this to support an attack on the boss node.
  • This map can also serve as a good location to train your Land-Based attack planes to max expertise. Bring only Land-Based Attackers with a distance of 3 or 7 (or more) as they will reach enough distance to reach submarine Nodes on B, C, J, and K, where your planes should target in order to be trained.


Recommended Fleets

This guide will go over the events of this map from the sequential order after you unlock Quest B175. Since this is a normal map, you do not necessarily have to complete things in the order mentioned, but to make things most convenient for you, it's recommended to at least complete B175 to access the LBAS.

Traveling to Kaohsiung (For Quest B175)

The goal is to reach node O and not the boss.

  • 1-6SS(V)
  • Route = C D F J K M O
  • The LoS Range needed is estimated to be 32 (Cn3).
  • Submarines will face little to no threats along the way. At most, they will take 2 losses and 3 wins.
  • You might need several Seaplanes or Submarine Radars 
     
          to have enough LoS and so route from M to O.
  • Once your submarine fleet reaches O you will gain   and  .
    • For more information please review the farming guide further below.

Sink the Hi Convoy Princess

In this sequence, it's recommended to have opened the LBAS beforehand to make this section of the map easier as the assistance of an LBAS will help give you the necessary edge needed to fight against the boss in this map. While the boss is not strong, the fleet she is accompanied with may present issues if you cannot wipe it.

Below is a guide on the recommended compositions that will work effectively against the boss on Node P.

  • 0-1BBV, 1CVL, 1CA/CL, 2-3 DD, 1-2 DE
  • Route = A B E J L P
LBAS Node P: Range = 2
  • Will allow you to bring a very strong fleet to the boss.
  • Fleet will need a group of ships that can effectively OASW to survive the dangerous submarines on this map.
  • Hyuuga Kai Ni and a CVE is recommended to help make clearing more possible.
  • Fleet will have to go through 2 Submarine fights, 1 Air Node, and 2 Surface/Submarine fights.
  • Node J can especially be problematic due to it featuring 3 So-class flagship submarines, but will become even more dangerous on Last Dance due to the fact that the enemy fleet will be in line ahead formation.
  • AACI is also recommended for node E
  • At least 1 TCI DD is recommended.
  • If possible bring ships that can take on multiple roles to effectively clear the map easily.
  • The boss does not have a lot of planes, bringing enough airpower and AACI can effectively deplane her, rendering her defenseless.
  • LBAS should use a combination of Fighter, Bombers, and ASW Bombers to effectively help with clearing the boss.
  • Last Dance comp will buff the DDs and CL in her fleet along with giving her additional airpower.
    • Bring additional airpower as a countermeasure to effectively beat her.

  • 1CT, 1DD, 3DE
  • Route = A B E J P
  • LBAS Node P: Range = 2
  • Will go through, 1 Submarine fight, 1 Air Node, and 1 Surface/Submarine fight before reaching the boss.
  • Not recommended entirely due to the risks this map may present to your fleet due to lack of strong combat-effective ships.
    • You will be depending specifically on one DD to score the kill against the boss.
    • DEs will mainly take on OASW.
    • The CT will mainly do Surface Combat.
    • The DD will do the TCI.
  • Node E and P may present issues on your chances of passing due to lack of air defense.
  • LBAS should focus on removing the surface ships to make scoring the kill against the Princess more likely.
    • Your DD will need to avoid taking too much damage to effectively kill the boss.
  • Not recommended for Last Dance

See: Formations.
It is advised to use Line Abreast on most of the map :

  • Nodes B C G J K
Diamond is advised on :
  • Nodes E M
For Boss P:
  • Depending on how you set up your LBAS :
    • Line ahead is recommended if your LBAS can effectively take out the enemy SS.
    • Double Line is preferred if your LBAS is not set to fight SS.

Resources and LBAS Farming

  • 1-6SS(V)
  • Route = C D F J K M O
    • LoS required: ≥ 32 (Cn3)

It is possible to farm both Fuel   and Bauxite   by reaching node O using all submarines.

  • Base amount of resources are 40 fuel and 20 bauxites without the uses of DLC or Drum.
  • Each Tank  provides + 7 Fuel   and + 10 Bauxite  
  • Each Drum Canister  provides + 8 Fuel   and + 6 Bauxite  
  • The maximum gain you can earn is 120 of each resource.
  • It is possible to farm for LBAS Plane Proficiency by sending your LBAS on one of the submarine nodes like J or K.
  • While this map has little to no threats against submarines, J will have rare instances where destroyers may pop up in the composition that will damage your SS. Please be aware of this while farming this map.
  • Do not consider farming during Boss Last Dance, as J will be locked on the 2 Destroyer comp that will pose a threat to your SS.
    • Sending a surface-focused LBAS on J can assure you a safe path no matter the enemy comp. Such runs consume little to no resources on your LBAS.

Doing this farming will bring you a lot of "loses", which can impact your overall win rate and so your "event eligibility".

Be advised: The Developers have mentioned that the composition and map will change over time, this may even include the resource node possibly. So take advantage of the map while you can.

Nodes and Enemy Encounters

 
7-4 A
# Empty Node
A 気のせいだった。
Must be my imagination.
# Empty Node
7-4 B: 深海潜水艦隊 哨戒集団 B群 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
B Echelon
Line Abreast
      
 0/0
0/0
Echelon
Line Abreast
      
 0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
7-4 C: 深海潜水艦隊 哨戒集団 C群 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
C Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
7-4 D: 深海任務部隊 艦載機群 (PoiDB)
# Formation Air Defense Node AD/AP
AS/AS+
D Diamond
             
44/88
197/393
Diamond
              
72/143
321/642
Diamond
              
72/143
321/642
Diamond
               
108/215
482/963
Diamond
               
108/215
482/963
Diamond
                
116/231
519/1038
# Formation Air Defense Node AD/AP
AS/AS+
7-4 E: 深海任務部隊 艦載機群 (PoiDB)
# Formation Air Defense Node AD/AP
AS/AS+
E Diamond
             
39/77
173/345
Diamond
             
44/88
197/393
Diamond
             
44/88
197/393
Diamond
              
72/143
321/642
Diamond
              
72/143
321/642
Diamond
               
80/160
359/717
# Formation Air Defense Node AD/AP
AS/AS+
7-4 F (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
# Formation Normal Battle Node AD/AP
AS/AS+
7-4 G: 深海潜水艦隊 哨戒集団 A群 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
G Echelon
      
 0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
7-4 H: 深海任務部隊 空母機動部隊 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
H Diamond
              
72/143
321/642
Diamond
               
80/160
359/717
Diamond
               
108/215
482/963
Diamond
                
116/231
519/1038
# Formation Normal Battle Node AD/AP
AS/AS+
7-4 I
# Empty Node
I 敵影を見ず。
No enemy spotted.
# Empty Node
7-4 J: 深海艦隊 特殊任務部隊 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
J Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Line Ahead
            
0/0
0/0
Line Ahead
            
0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
7-4 K: 深海潜水艦隊 哨戒集団 旗艦群 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
K Echelon
Line Abreast
      
 0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
Echelon
Line Abreast 		0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
7-4 L: 深海任務部隊 船団攻撃集団 (PoiDB)
# Formation Normal Battle Node AD/AP
AS/AS+
L Echelon 0/0
0/0
Line Ahead
Double Line 		0/0
0/0
Line Ahead
Double Line
Echelon 		0/0
0/0
# Formation Normal Battle Node AD/AP
AS/AS+
7-4 M: 深海任務部隊 艦載機群 (PoiDB)
# Formation Air Defense Node AD/AP
AS/AS+
M Diamond
                
109/217
488/975
Diamond
                
104/207
464/927
Diamond
                
116/231
518/1035
Diamond
                
110/220
494/987
Diamond
                
125/249
558/1116
Diamond
                
124/247
554/1107
# Formation Air Defense Node AD/AP
AS/AS+
7-4 N
# Empty Node
N 敵影を見ず。
No enemy spotted.
# Empty Node
7-4 O
# Resource Node
O   40 (cap 200)
O   20 (cap 120)
# Resource Node
7-4 P: 深海 ヒ船団棲姫船団 (PoiDB)
# Formation Boss Battle Node AD/AP
AS/AS+
P Diamond
            
32/63
140/279
Diamond
            
33/65
146/291
Diamond
            
32/63
140/279
Diamond
            
33/65
146/291
Diamond
            
54/107
240/480
Diamond
(Final)
            
53/105
236/471
# Formation Boss Battle Node AD/AP
AS/AS+

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? H J L P
DE Matsuwa ✔️
DE Sado ✔️ ✔️
DE Tsushima ✔️
DE Hirato ✔️
DE Mikura ✔️
DE Hiburi ✔️
DE Daitou ✔️
DD Hatakaze ✔️ ✔️ ✔️
DD Amatsukaze ✔️
AO Kamoi ✔️
DD Urakaze ✔️
CL Kitakami ✔️
CL Ooi ✔️ ✔️ ✔️
CL Nagara ✔️ ✔️ ✔️ ✔️
CL Sendai ✔️ ✔️ ✔️ ✔️
CA Kinugasa ✔️
CA Myoukou ✔️
CA Takao ✔️
CA Atago ✔️
CA Mogami ✔️ ✔️ ✔️ ✔️
CA Suzuya ✔️
CA Kumano ✔️ ✔️
CA Tone ✔️ ✔️
CA Chikuma ✔️ ✔️ ✔️ ✔️
CVL Shouhou ✔️ ✔️ ✔️
CVL Zuihou ✔️
CVL Hiyou ✔️ ✔️ ✔️ ✔️
CVL Junyou ✔️ ✔️
FBB Kongou ✔️ ✔️
FBB Hiei ✔️
FBB Haruna ✔️
FBB Kirishima ✔️
BB Ise ✔️
BB Hyuuga ✔️
CV Zuikaku ✔️
DD Mutsuki ✔️
DD Kisaragi ✔️
DD Satsuki ✔️
DD Fumizuki ✔️
DD Kikuzuki ✔️
DD Mikazuki ✔️
DD Fubuki ✔️ ✔️ ✔️ ✔️
DD Shirayuki ✔️ ✔️ ✔️
DD Hatsuyuki ✔️ ✔️ ✔️
DD Miyuki ✔️ ✔️ ✔️ ✔️
DD Murakumo ✔️ ✔️ ✔️ ✔️
DD Isonami ✔️ ✔️ ✔️ ✔️
DD Ayanami ✔️ ✔️ ✔️ ✔️
DD Shikinami ✔️ ✔️ ✔️ ✔️
DD Oboro ✔️
DD Akebono ✔️
DD Ushio ✔️
DD Akatsuki ✔️ ✔️ ✔️ ✔️
DD Hibiki ✔️ ✔️ ✔️ ✔️
DD Ikazuchi ✔️ ✔️ ✔️ ✔️
DD Inazuma ✔️ ✔️ ✔️ ✔️
DD Hatsuharu ✔️
DD Nenohi ✔️
DD Wakaba ✔️
DD Hatsushimo ✔️
DD Shiratsuyu ✔️ ✔️ ✔️ ✔️
DD Shigure ✔️ ✔️ ✔️ ✔️
DD Murasame ✔️ ✔️ ✔️ ✔️
DD Yuudachi ✔️ ✔️ ✔️
DD Suzukaze ✔️
DD Asashio ✔️
DD Ooshio ✔️
DD Arashio ✔️
DD Arare ✔️
DD Kasumi ✔️
DD Kagerou ✔️
DD Shiranui ✔️
DD Kuroshio ✔️
CL Kuma ✔️ ✔️ ✔️ ✔️
CL Tama ✔️ ✔️ ✔️
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 ✔️ ✔️ ✔️
AV Chitose ✔️ ✔️
AV Chiyoda ✔️ ✔️ ✔️
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