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For the rules of defensive maps, please check the previous event map : Southern Sea Base Defense (SEP16)

For the preparation of defensive maps, please check

Fire Bulge Defensive Event (FEB17)

This page will be a general description/guide for Iron Bottom Sound Defensive Battle
You can challenge all the stages again after you have clear it

Ex-1 Battle of Savo Island

Reward: J-Country Short 20cm Gun

  1. Suggested ship levels: 40
  2. Enemy: 7 Fleets in 3 Waves
  3. Available fleets: 2 + 1 Friend's Fleets
  4. Ship Limitations: NO CV/AV, BB/BC ≤ 2
  5. Resupplies available: 1
  6. Suggested fleet:
Enemy Fleet Strength
Wave1

Jun17 E1 Wave1 Formation

Wave2

Jun17 E1 Wave2 Formation

Wave3

Jun17 E1 Wave3 Formation
Jun17 E1 Boss

Enemy Fleet Strength
Fleet Name Ships / HP Formation
Wave1 Enemy SS Fleet ΠⅢ SS ΠⅢ SS ΠⅡ SS ΕⅢ CL ΕⅢ CL X Line Ahead
3737275353X
Enemy CL Fleet CA (Kinugasa) CA (Furutaka) ΙⅡ CA ΕⅢ CL ΕⅢ CL ΕⅢ CL Echelon
524860535353
Enemy DD Fleet ΔⅡ DD ΓⅡ DD ΓⅡ DD ΓⅡ DD ΓⅡ DD X Double Line
4540404040X
Wave2 Enemy CV Fleet ΟⅡ CV ΟⅡ CV ΛⅡ BB ΞⅡ CVL ΗⅡ CL ΗⅡ CL Line Ahead
888890705555
Enemy SS Fleet ΠⅢ SS ΠⅢ SS ΠⅢ SS ΠⅡ SS ΘⅢ CLT ΘⅡ CLT Double Line
373737277050
Enemy Guard Fleet CA (Aoba) CA (Kako) ΙⅡ CA ΙⅡ CA ΕⅢ CL ΕⅢ CL Echelon
14411260605353
Wave3 Boss stage, Please see above

Ex-2 Storm of East Solomon

Reward: DD Heermann

  1. Suggested ship levels: 60
  2. Enemy: 11 Fleets in 4 Waves
  3. Available fleets: 2 + 1 Friend's Fleets
  4. Ship Limitations: CV/AV ≤ 2, BB/BC ≤ 3
  5. Resupplies available: 2
  6. Suggested fleet:
Enemy Fleet Strength
Wave1

Jun17 E2 Wave1 Formation

Wave2

Jun17 E2 Wave2 Formation

Wave3

Jun17 E2 Wave3 Formation

Wave4

Jun17 E2 Wave4 Formation Jun17 E2 Boss

Enemy Fleet Strength
Fleet Name Ships / HP Formation
Wave1 Enemy CV Fleet ΟⅢ CV ΟⅢ CV ΞⅢ CVL ΙⅢ CA ΗⅢ CL X Line Ahead
9696847656X
Enemy Guard Fleet ΚⅢ BC ΚⅡ BC ΕⅢ CL ΕⅢ CL ΠⅢ SS ΠⅢ SS Diamond
766053533737
Enemy BB Fleet ΛⅢ BB ΛΙ BB ΛΙ BB ΚΙ BC ΑⅡ DD ΑΙ DD Line Ahead
989090583020
Wave2 Enemy SS Fleet ΠⅣ SS ΠⅢ SS ΠⅢ SS ΟⅢ CV ΟⅢ CV X Echelon
4737379696X
Enemy SS Fleet ΣⅡ SS ΣⅡ SS ΠⅢ SS ΠⅢ SS ΘⅢ CLT ΘⅡ CLT Echelon
454537377050
Enemy DD Fleet DD (Amatsukaze) DD (Tokitsukaze) ΣⅡ SS ΣⅡ SS ΠⅢ SS ΠⅢ SS Double Line
1227745453737
Wave3 Enemy Support Fleet ΠⅡ SS ΡΙ SS ΣΙ SS ΣΙ SS ΘΙ CLT ΘΙ CLT Double Line
272433334848
Enemy Main Fleet ΟⅡ CV ΛⅡ BB ΗⅡ CL ΔⅡ DD ΑⅡ DD ΑⅡ DD Echelon
889055453030
Enemy BB Fleet ΜⅡ BB ΜⅡ BB ΟⅢ CV ΞⅢ CVL ΒⅢ DD ΣⅡ SS Line Ahead
888896844345
Enemy CV Fleet CV (Zuikaku) CV (Shokaku) ΙⅢ CA ΙⅢ CA ΜⅡ BB ΜⅡ BB Line Abreast
19321576768888
Wave4 Boss stage, Please see above

Ex-3 Revenge of the Abyss

Reward: U-Country 2x 12in Gun (CB)

  1. Suggested ship levels: 70
  2. Enemy: 8 Fleets in 3 Waves
  3. Available fleets: 3 + 1 Friend's Fleets
  4. Ship Limitations: CV/AV ≤ 2, BB/BC ≤ 3'
  5. Resupplies available: 3
  6. Suggested fleet:
Enemy Fleet Strength
Wave1

Jun17 E3 Wave1 Formation

Wave2

Jun17 E3 Wave2 Formation

Wave3

Jun17 E3 Wave3 Formation Jun17 E3 Boss

Enemy Fleet Strength
Fleet Name Ships / HP Formation
Wave1 Enemy CL Fleet ΚⅢ BC ΚⅡ BC ΙⅢ CA ΖⅢ CL ΘⅢ CLT X Line Ahead
7660765770X
Enemy SS Fleet ΠⅣ SS ΡⅢ SS ΡⅢ SS ΡⅡ SS ΘⅡ CLT ΘⅡ CLT Echelon
474444345050
Enemy BB Fleet ΜⅢ BB ΜⅡ BB ΚⅡ BC ΙⅢ CA ΕⅢ CL ΕⅢ CL Diamond
908860765353
Wave2 Enemy SS Fleet ΠⅢ SS ΡⅢ SS ΡⅢ SS ΡⅡ SS ΚⅢ BC X Line Ahead
4744443476X
Enemy Mixed Fleet ΙⅢ CA ΖⅣ CL ΖⅣ CL ΘⅢ CLT ΒⅣ DD ΡⅢ SS Double Line
766262705144
Enemy Assault Fleet ΜⅢ BB ΜⅢ BB ΜⅡ BB ΚⅡ BC ΙⅢ CA ΡⅡ SS Echelon
909088607634
Enemy CV Fleet CV (Zuikaku) CV (Shokaku) ΘⅣ CLT ΒⅣ DD ΒⅣ DD ΒⅢ DD Diamond
16517780515143
Wave3 Boss stage, Please see above

Ex-4 Cape Esperance

Reward: 【Costume】(BB Missouri) Missouri Summer

  1. Suggested ship levels: 80
  2. Enemy: 14 Fleets in 5 Waves
  3. Available fleets: 3 + 1 Friend's Fleets
  4. Ship Limitations: NO CV/AV, BB/BC ≤ 6, SS/SC ≤ 3
  5. Resupplies available: 3
  6. Suggested fleet:
Enemy Fleet Strength
Wave1

Jun17 E4 Wave1 Formation

Wave2

Jun17 E4 Wave2 Formation

Wave3

Jun17 E4 Wave3 Formation

Wave4

Jun17 E4 Wave4 Formation

Wave5

Jun17 E4 Wave5 Formation Jun17 E4 Boss

Enemy Fleet Strength
Fleet Name Ships / HP Formation
Wave1 Enemy CV Fleet ΟⅢ CV ΟⅢ CV ΞⅢ CVL ΞⅢ CVL ΖⅢ CL X Line Ahead
9696848457X
Enemy SS Fleet ΡⅢ SS ΡⅡ SS ΡⅡ SS ΡⅡ SS ΙⅢ CA ΙⅢ CA Line Ahead
443434347676
Enemy SS Fleet ΡⅢ SS ΡⅡ SS ΡⅡ SS ΡⅡ SS ΞⅣ CVL ΞⅣ CVL Line Ahead
443434348888
Wave2 Enemy Mixed Fleet ΜⅢ BB ΜⅢ BB ΞⅣ CVL ΞⅣ CVL ΖⅣ CL X Diamond
9090848462X
Enemy Assault Fleet ΦⅢ SS ΦⅢ SS ΡⅢ SS ΡⅢ SS ΕⅣ CL ΕⅢ CL Echelon
484844445953
Enemy Convoy Fleet ΧⅡ CV ΨⅡ BB ΙⅢ CA ΖⅣ CL ΔⅢ DD ΔⅢ DD Diamond
1118876625050
Wave3 Enemy DD Fleet ΤⅢ DD ΤⅢ DD ΤⅡ DD ΤⅡ DD ΤΙ DD X Double Line
4343353527X
Enemy Guard Fleet ΨⅡ BB ΩⅡ CA ΩⅡ CA eiⅡ CA ΦⅡ SS ΦⅡ SS Line Ahead
887777584040
Enemy Main Fleet ΚⅣ BC ΛⅢ BB ΞⅣ CVL ΞⅣ CVL ΗⅢ CL ΒⅣ DD Line Ahead
889888885651
Enemy CL Fleet CA (Furutaka) CA (Aoba) CA (Kinugasa) ΘⅢ CLT ΖⅣ CL ΖⅣ CL Echelon
1488283706262
Wave4 Enemy DD Fleet ΤⅢ DD ΤⅢ DD ΤⅡ DD ΤⅡ DD ΤⅡ DD ΤΙ DD Double Line
434335353527
Enemy Mixed Fleet ΩⅢ CA ΩⅡ CA eiⅢ CA eiⅡ CA ΤⅢ DD ΤⅡ DD Line Ahead
827764584335
Enemy CV Fleet ΟⅣ CV ΘⅣ CLT ΒⅣ DD ΒⅣ DD ΒⅢ DD ΣⅢ SS Echelon
1608051514350
Enemy BB Fleet BB (YAMATO) ΧⅡ CV ΖⅣ CL ΞⅣ CVL ΞⅣ CVL ΖⅣ CL Line Ahead
29711162888862
Wave5 Boss stage, Please see above

Warning: In HARD MODE, you will not be able to recruited any of your friend's fleet.
This will be your own fight from now on.

Ex-5 Battle of the Santa Cruz Islands (Hard)

Reward: Advanced radar

  1. Suggested ship levels: 90
  2. Enemy: 12 Fleets in 4 Waves
  3. Available fleets: 3
  4. Ship Limitations: CV/AV ≤ 3
  5. Resupplies available: 3
  6. Suggested fleet:
Enemy Fleet Strength
Wave1

Jun17 E5 Wave1 Formation

Wave2

Jun17 E5 Wave2 Formation

Wave3

Jun17 E5 Wave3 Formation

Wave4

Jun17 E5 Wave4 Formation Jun17 E5 Boss

Ex-6 Guadalcanal Intensifies (Hard)

Reward: Rare furniture Box x3

  1. Suggested ship levels: 90
  2. Enemy: 8 Fleets in 3 Waves
  3. Available fleets: 3
  4. Ship Limitations: CV/AV ≤ 2, BB/BC ≤ 6
  5. Resupplies available: 3
  6. Suggested fleet:
Enemy Fleet Strength
Wave1

Jun17 E6 Wave1 Formation

Wave2

Jun17 E6 Wave2 Formation

Wave3

Jun17 E6 Wave3 Formation Jun17 E6 Boss

Ex-7 Guadalcanal Final Battle (Hard)

Reward: New Avarar

  1. Suggested ship levels: 95
  2. Enemy:16 Fleet in 5 Waves
  3. Available fleets: 3
  4. Ship Limitations: CV/AV ≤ 4, BB/BC ≤ 8, SS/SC ≤ 3
  5. Resupplies available: 5
  6. Suggested fleet:
Enemy Fleet Strength
Wave1

Jun17 E7 Wave1 Formation

Wave2

Jun17 E7 Wave2 Formation

Wave3

Jun17 E7 Wave3 Formation

Wave4

Jun17 E7 Wave4 Formation

Wave5

Jun17 E7 Wave5 Formation Jun17 E7 Boss

Event exclusive quests

In Exclusive quests, you can earn event badges after nailing these quests.
Event badges can be used to buy items from the pantie store.

Quest Description Reward
Ex-5 Move heaven and Earth Clear Ex-5 with one of your fleet's Flagship is CL

Also number of CA ≥ 4 and resupply no more than 2 times

50 Event badges
Fight to the last man Clear Ex-5 with number of BB ≤ 2 and CA ≥ 4 80 Event badges
Time is money Clear Ex-5 with number of CL ≥ 3 and BC ≥ 3 120 Event badges
Ex-6 Defense of the Airport

Clear Ex-6 without CV / CVL / AV,
also resupply no more than 2 times

80 Event badges
David and Goliath Clear Ex-6 with number of DD ≥ 10 100 Event badges
Queen of the War

Clear Ex-6 with Helena as Flagship in one of your fleet,
also number of DD ≥ 6 and CA ≥ 3

100 Event badges
Turn the table

Clear Ex-6 without BBs, number of CL ≥ 3 and CA ≥ 3
also resupply no more than 2 times

150 Event badges
Ex-7 Hold the battlefront Clear Ex-7 with Each Fleet contains no more than 2BB and 2BC 100 Event badges
Pinning operation

Clear Ex-7 with only U-country BBs and no J-country's ship,
also resupply no more than 4 times

200 Event badges
The Last stand

Clear Ex-7 with only U-country BBs and DDs
and without CVs and AVs

200 Event badges

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