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World 4-5: 深海東洋艦隊漸減作戦 Abyssal Eastern Ocean Fleet Reduction Operation

Strategy Name
深海東洋艦隊漸減作戦 (Reduction of Abyssal Eastern Ocean Fleet)
Difficulty
☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆
Item
-
Strategy Content
我が艦隊により大打撃を受けた敵東洋艦隊がリランカ島の港湾に再集結しつつある。遊撃部隊を編成し、敵増援を撃滅せよ！
Enemy Eastern Fleet which we have inflicted losses on is gathering at the harbor of Ri Lanka Island again. Form a strike team and eliminate the enemy reinforcements!
4-5 Fast+
Fleet 1-2(F)BB(V), 2-3CV(B), 2XX (XX can't be (F)BB(V) or CV(L)) Fast+
Route Random.
A D H T
C D H T
Other Notes Final form requires 167/333 for AS/AS+
AP AS AS+
92 207 414
4-5 via K node
Fleet 3CV/(F)BB(V), 3CA(V)
Route Random.
A D H K T
C D H K T
Other Notes
AP AS AS+
112 252 504

Stage Guide

Branching Rules
Nodes Rules
Start
A
  • Random
C
D
H
  • Fixed Route
E
M
  • Meet ANY of the following to go to M
    • Fleet Contains AO
    • (F)BB(V)+CV(L/B) ≥ 3
    • CL = 1 AND DD ≥ 2
  • Otherwise, go to K
K
G
D
  • Go to H if CL = 1 AND DD ≥ 2
  • Otherwise, random routing
H
H
K
  • Meet ANY of the following to go to T
    • FAST+ fleet AND (F)BB(V)+CV(L/B) ≤ 4
    • CL = 1 AND DD ≥ 3
    • Fleet did not go through node D AND contains CL with DD ≥ 2
  • Otherwise, go to K
T
I
J
  • Active Branching
G
K
L
  • LoS < 71(Cn2)
M
  • (F)BB(V)+CV(B) ≥ 4
  • (F)BB(V)+CV(L/B) ≥ 5
  • Fleet contains AO
T
  • LoS ≥ 71(Cn2) and do not meet the condition to go to M
M
N
  • Meet ANY of the following to go to N
    • Fastest fleet
    • Fast+ fleet and DD ≥ 2
    • Fast fleet, (F)BB(V)+CV(B) ≤ 1, CL = 1 AND DD ≥ 2
  • Otherwise, go to R
R
O
N
  • Meet ANY of the following to go to N
    • (F)BB(V) ≥ 4
    • Fleet contains slow ship and (F)BB(V)+CV(L/B) ≥ 5
    • LoS ≤ 75(Cn2)
  • Otherwise, random routing
T
Q
N
  • Go to P if the fleet LoS ≤ 60(Cn2)
  • Go to O if (F)BB(V)+CV(L/B) ≥ 5
  • Go to N if fleet contains DD
  • Otherwise, O
O
P
R
N
  • Fast+ fleet
  • Fast fleet, CL = 1, AND DD ≥ 2
  • Fast fleet, CA(V) = 1, AND DD ≥ 2
S
  • Do not meet the requirement to go to N


Tips

Unlocked by clearing both 4-4 and 5-1.

  • It takes 5 boss kills to clear the map. Upon completion you are rewarded 180 Ranking points and a medal.
  • Boss's HP bar resets at midnight JST at the beginning of each month.
    • The boss comp will be reverted back to Initial Form post-clear until the next month reset
  • Boss is a Harbor Princess, an installation-type enemy.
    • Warning: Harbor Princess becomes substantially stronger on final form! The changes are, namely:
      • HP increases from 380 to 490.
      • Base firepower increases from 100 to 180.
      • Armor increases from 135 to 183 (Counting equipment)
      • This pushes her armor roll values from 128 to 236 (i.e. 183 (±30%)), above the daytime cap of 181. Barring low armor rolls, only critical hits will significantly damage her during the day.
      • Base AA increases from 150 to 170.
      • She gains a completely different set of equipment: Two 15-inch Fortress Cannons, AP Shell, and what is suspected to be Abyssal Avenger Torpedo Bomber. As a side effect of her equipment, her range is increased to long.
      • The changes allow her to hit harder and earlier during the daytime. Since she's an installation-type abyssal ship, she uses the carrier damage calculation formula (even though it is displayed as shelling). Thus, her shelling damage, not counting her equipment or the bonus from AP shell, is already over the day battle cap even with Red T engagement. She also gains double attack ability during night battle.
      • On the final form, her escort ships also become tougher (Elite/Flagship Transports and Elite CA Ne-class replaces the DD Late Model).

Recommended Fleet

  • 3CV/(F)BB(V), 3CA(V)
  • 2BB, 1CV(B), 2CA, 1CAV
  • 1BB, 2CV(B), 1CVL, 2CA(V)
  • Route = Random:
    • A D H K T
    • C D H K T
    • Please beware that Node K has a chance to Heavily Damage your ships due to the presence of 1 or 2 Battleship Ru-Class Kai Flagship
    • LoS required for the boss is 71 (Cn2)
    • CVB are preferred against regular CV for their ability to still being able to attack when Chuuha, which is very handful after passing through Node K.

  • 1-2(F)BB(V), 2-3CV(B), 2CA(V) (Fast+)
  • 3CA(V), 3CV(B) (Fast+)
  • Route = Random:
    • A D H T
    • C D H T
    • Skips Node K over the standard route.
    • Will only go through the SS Node D and a Light Enemy Fleet in node H before going straight into the Boss Node.
    • All Ships are highly recommended to have been fitted with a Reinforcement Expansion to be equipped with enough Speed modifiers 
       
              to reach Fast+ speed.
    • The exchange is that your BB(V)/CA(V) won't be able to do Artillery Spotting due to being unable to equip seaplane, though as they will still be outfitted with 2 Main Guns, they will still be able to do Double Attack during Night Battle.
    • It is highly recommended that the CV(B)s are all outfitted with CVCI to be able to deal with non-Installation Escort Ships quickly and efficiently.

Like Fast+ routing, you will also skip node K which contains dangerous enemies but it can be difficult to defeat Harbour Princess at the boss, especially in her Final Form.

  • 2(F)BB(V)/CV(L/B), 1CL, 3DD
  • Route = Random:
    • A D H T
    • C D H T
  • 1FBB, 2CVL, 1CL, 2DD (Fast)
  • Route = Random:
    • A B E M N T
    • C F I J H T
  • Four-slot DD or CLs are useful in this situation as they can carry double Anti-ground Rocket Launchers 
     
          to deal significant damage to Harbour Princess.
  • Only useful to do the quests that require you to take CLs/DDs into 4-5 Boss, or to attempt to save cost from supplying and repairing ships.


Nodes and Enemy Encounters

Show/Hide Nodes and Enemy Encounters
Nodes and Enemy Encounters
NodePatternXpNode InfoFormAir
A
Pattern 1Choose your route
B
東洋方面潜水艦隊 哨戒線Cライン		Pattern 1      
 
 
Pattern 2      
 
 
Pattern 3      
 
 
C
Pattern 1Choose your route
D
東洋方面潜水艦隊 哨戒線Bライン		Pattern 1      
 
 
Pattern 2      
 
 
Pattern 3     
 
 
E
東洋方面艦隊 威力偵察部隊		Pattern 1       
 
 
Pattern 2       
 
 
Pattern 3       
 
 
F
東洋方面潜水艦隊 哨戒線Aライン		Pattern 1      
 
 
Pattern 2      
 
 
Pattern 3      
 
 
G
東洋方面艦隊 威力偵察部隊		Pattern 1       
 
 
Pattern 2       
 
 
Pattern 3       
 
 
H
東洋方面艦隊 新編水上打撃部隊		Pattern 1       
 
 
Pattern 2       
 
 
Pattern 3       
 
 
I
Pattern 1Choose your route
J
東洋方面艦隊 突撃水雷戦隊		Pattern 1       
 
 
Pattern 2       
 
 
Pattern 3       
 
 
K
深海東洋艦隊 機動部隊		Pattern 1       
 
AP:19
AS:42
AS+:84
Pattern 2       
 
AP:75
AS:168
AS+:336
Pattern 3       
 
AP:112
AS:252
AS+:504
Pattern 4       
 
AP:75
AS:168
AS+:336
Pattern 5       
 
AP:75
AS:168
AS+:336
L
Battle Avoided		Pattern 1"Must be my imagination" (battle avoided)
M
Battle Avoided		Pattern 1"Must be my imagination" (battle avoided)
N
東洋方面艦隊 後方兵站部隊		Pattern 1       
 
 
Pattern 2       
 
 
Pattern 3       
 
 
O
深海東洋方面増援潜水艦隊		Pattern 1      
 
 
Pattern 2       
 
 
Pattern 3      
 
 
P
Battle Avoided		Pattern 1"Must be my imagination" (battle avoided)
Q
Battle Avoided		Pattern 1"Must be my imagination" (battle avoided)
R
Maelstrom Node		Pattern 1  - ?
S
深海東洋方面増援艦隊		Pattern 1       
 
 
AP:16
AS:35
AS+:69
Pattern 2       
 
 
AP:16
AS:35
AS+:69
Pattern 3       
 
 
AP:16
AS:35
AS+:69
T
リランカ島港湾守備隊		Pattern 1       
 
AP:92
AS:207
AS+:414
Pattern 2       
 
AP:92
AS:207
AS+:414
Pattern 3       
 
AP:74
AS:167
AS+:333
Pattern 4       
 
AP:92
AS:207
AS+:414
Pattern 5       
 
AP:55
AS:123
AS+:246
Pattern 6       
 
AP:55
AS:123
AS+:246

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