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English Assault! Buin Defense Operation[Edit]
Japanese 邀撃!ブイン防衛作戦
Romaji Yōgeki! Buin bōei sakusen
Start December 26th, 2018 End January 22nd, 2019 (extended)
Scale Small New Content 4 ships, 2 equipments, 3 abyssals
Maps 2 MO + 1 EO Duration 4 weeks
Please Read before Event Start

Important Notice for all Players before Event StartEdit

Before you start the EventEdit

  • A friendly reminder that once you clear a map — destroying the gauge by sinking the boss on her final form — at your chosen difficulty, there is no going back to change it.
  • Please read the mechanics tab first - especially 'Ship locking' and 'Difficulty selection' — or the Info tab to plan before starting. Consider asking the Discord channel for help.
    • Anyone who wishes to tackle Medium+ should not rush into the map. Check other maps and see their requirements unless you wish to fight later maps
  • Remember that under normal circumstances your final objective of every map is sinking the boss. You only need to deplete the gauge and sink boss one last time in order to clear a map; sinking any escort ships is optional.

Classification ClarificationEdit

In the guide, you may see the following: CA(V), CV(L/B), (f)BB(V). These parentheses mean that the following sub-class also satisfy the branching rule requirements. For example, CV(L) means that both aircraft and light-aircraft carrier are acceptable while CV(L/B) also include armored-aircraft carrier into the requirement.

Winter 2019 Event Historical Ships with BonusEdit

There are specific ships with Bonus Damage against the Bosses of each Map. Please look through the list to plan out the Fleet you will use for each respective Maps.

  • Certain Ships have Bonus in multiple Maps
    • Unless you are doing Casual/Easy Mode, please make sure to check the Ships who has Bonus on multiple maps so that you choose a specific map to use her.

Ship Damage Bonus Ship Damage Bonus
Destroyer (DD)
MurasameMurasame Kai Ni Banner 1.50 MinegumoMinegumo Kai Banner 1.50
Shiratsuyu-classShiratsuyu Banner
Shigure Banner
Yuudachi Banner
Harusame Banner
Samidare Banner
Umikaze Banner
Yamakaze Banner
Kawakaze Banner
Suzukaze Banner
1.30 Asashio-classAsashio Banner
Ooshio Banner
Arashio Banner
Michishio Banner
Asagumo Banner
Yamagumo Banner
Arare Banner
Kasumi Banner
1.30
Light Cruiser (CL)
JintsuuJintsuu Kai Ni Banner 1.44 YuraYura Kai Ni Banner 1.25
Non-Stackable Radar Bonus
Requires 2 Gun + 1 Radar setup 1.15

Ship Damage Bonus Sample Size Ship Damage Bonus Sample Size
Destroyer (DD)
AkatsukiAkatsuki Kai Ni Banner 1.53 ~ 1.55 26 AyanamiAyanami Kai Ni Banner 1.64 ~ 1.63 39
FubukiFubuki Kai Ni Banner 1.48 ~ 1.6 8 InazumaInazuma Kai Banner 1.3 ~ 1.31 11
MakigumoMakigumo Kai Ni Banner 1.5 ~ 1.51 13 MurakumoMurakumo Kai Ni Banner 1.26 ~ 1.32 9
NaganamiNaganami Kai Ni Banner 1.28 ~ 1.32 15 UshioUshio Kai Ni Banner 1.33 ~ 1.34 22
VerniyVerniy Banner 1.25 ~ 1.32 7 YuudachiYuudachi Kai Ni Banner 1.54 ~ 1.54 53
YuugumoYuugumo Kai Ni Banner 1.29 ~ 1.32 15
Light Cruiser (CL)
JintsuuJintsuu Kai Ni Banner 1.91 ~ 1.9 73 NakaNaka Kai Ni Banner 1.31 ~ 1.36 5
SendaiSendai Kai Ni Banner 1.52 ~ 1.52 17 YuraYura Kai Ni Banner 1.47 ~ 1.43 49
Heavy Cruiser (CA)
FurutakaFurutaka Kai Ni Banner 1.34 ~ 1.37 67
Battleship (BB)
HieiHiei Kai Ni Banner
Hiei Kai Banner
1.43 ~ 1.43 66 KirishimaKirishima Kai Ni Banner 1.43 ~ 1.42 134

Ship Damage Bonus Ship Damage Bonus
Destroyer (DD)
Base With ZZ Base With ZZ

IsokazeIsokaze B Kai Banner
  ArashiArashi Banner
HagikazeHagikaze Banner
HatsukazeHatsukaze Banner

1.75 2.0125

KawakazeKawakaze Kai Ni Banner

1.45 1.6675

Mutsuki ClassMutsuki Kai Ni BannerKisaragi Kai Ni Banner
Yayoi BannerUzuki Banner
Satsuki Kai Ni BannerMinazuki Banner
Fumizuki Kai Ni BannerNagatsuki Banner
Kikuzuki BannerMikazuki Banner
Mochizuki Banner

Other Kagerou ClassKagerou Kai Ni BannerShiranui Kai Ni Banner
Kuroshio Kai Ni BannerOyashio Banner
Hatsukaze BannerYukikaze Banner
Amatsukaze BannerTokitsukaze Banner
Urakaze D Kai BannerHamakaze B Kai Banner
Tanikaze D Kai BannerNowaki Banner
Maikaze BannerAkigumo Banner

ShigureShigure Kai Ni Banner
NenohiNenohi Kai Banner
SamidareSamidare Kai Banner
ShiratsuyuShiratsuyu Kai Ni Banner
NaganamiNaganami Kai Ni Banner
YuugumoYuugumo Kai Ni Banner
HatsushimoHatsushimo Kai Ni Banner

1.3 1.495

Other DDs

1.15 1.3225
Light Cruiser (CL)
SendaiSendai Kai Ni Banner
1.25
Heavy Cruiser (CA)

MyoukouMyoukou Kai Ni Banner

1.25
HaguroHaguro Kai Ni Banner
1.25
Seaplane Tender (AV)
NisshinNisshin Banner 1.75 2.275 Other AVs 1.15 1.495
ZZ Bonus (Does NOT apply to E3S)
Destroyers (DD)
1.15
Seaplane Tender (AV)
1.3

Surface Radar RequirementEdit

The Winter 2019 Event has implemented a new requirement where the player's fleet must have a certain amount of Ships who each respectively has a "Surface Radar" equipped for Branching Rules.

  • This includes a new mechanic called "Radar Ambush" Nodes. Failing to avoid an ambush will have the enemy ships take free shots on your fleet without any retaliation from you. The fight functions like a day battle, therefore no cut-in will occur. If you succeed in avoiding the ambush, your fleet will not go through the ambush node in the first place.
  • To avoid a Radar Ambush, you are required to bring a certain number of radars depending on the map. The game counts the number of ships with radars, not the total number of radars they have equipped.
    • EXAMPLE: E-1H Phase 2 requires 5 radars. If you have 6 ships, you must bring 5 radars on 5 different ships, not 5 radars on 2 ships.

Equipment treated as a "Surface Radar"Edit

  • Despite the name "Surface Radar", certain Air Radars are also treated as a Surface Radar under the Branching Rules due to their Icon LOS LOS Stat.
    • The Radar must have at least 5+ Icon LOS LOS Stats to fall under the category.
Radars treated as a 'Surface Radar' by the Branching Rules

※Certain Air Radars are treated as a Surface Radar for Branching Rules due to their Icon LOS LOS Stat.

※The Radar must have at least 5+ Icon LOS LOS Stats to fall under the category.

Small Surface Radars
Type 22 Surface Radar 028 CardType 22 Surface Radar 028 Card Type 33 Surface Radar 029 CardType 33 Surface Radar 029 Card Type 22 Surface Radar Kai 4 088 CardType 22 Surface Radar Kai 4 088 Card Type 22 Surface Radar Kai 4 (Calibrated Late Model) 240 CardType 22 Surface Radar Kai 4 (Calibrated Late Model) 240 Card
Large Surface Radars
Type 32 Surface Radar 031 CardType 32 Surface Radar 031 Card Type 32 Surface Radar Kai 141 CardType 32 Surface Radar Kai 141 Card
Small Surface + Air Hybrid Radars
GFCS Mk.37 307 CardGFCS Mk.37 307 Card SG Radar (Initial Model) 315 CardSG Radar (Initial Model) 315 Card
Large Surface + Air Hybrid Radars
Type 21 Air Radar Kai 089 CardType 21 Air Radar Kai 089 Card Type 42 Air Radar 032 CardType 42 Air Radar 032 Card FuMO25 Radar 124 CardFuMO25 Radar 124 Card SK Radar 278 CardSK Radar 278 Card SK + SG Radar 279 CardSK + SG Radar 279 Card
Battleship Surface + Air Hybrid Radars
15m Duplex Rangefinder + Type 21 Radar Kai Ni 142 Card15m Duplex Rangefinder + Type 21 Radar Kai Ni 142 Card

Difficulty SelectionEdit

Each map in this event has four (4) difficulty levels (a.k.a. operation ranks) the player can choose from:

EventMedal-Casual
EventMedal-Easy
EventMedal-Normal
EventMedal-Hard

The operation rank affects enemy patterns, boss health and strength, the number of times the player has to sink the boss in order to clear the map and the drop rates of ships. Different ranks reward different medals, pieces of equipment and/or materials upon clearing a map. The higher the operation rank, the better the reward.

However, new ship rewards are available on all difficulty levels, and you only have to clear the final event map on Hard to get the exclusive First-class medal.

KanColle-150207-20351201

Click that option circled in as shown in red to change difficulty

You can choose the difficulty level for each individual map separately. However, you will NOT be able to select Hard for a map if you cleared the previous map on Casual/Easy. You must clear the previous map at least on Medium/Normal.

  • NOT POSSIBLECasual/Easy > Hard
  • POSSIBLE(Medium/Normal)/Hard > Hard
  • POSSIBLECasual/Easy/(Medium/Normal)/Hard > (Medium/Normal)
  • POSSIBLECasual/Easy/(Medium/Normal)/Hard > Casual/Easy
Winter Difficulty Settings

Un-highlighted words indicate Current Difficulty

It is also possible to change the difficulty level afterwards, however:

  • If you drop to a lower difficulty (e.g. from Hard to Normal/Easy), the current HP/TP bar value (the one you have the moment you drop down) will increase by 25% of the new maximum and you will retain ALL unlocking/phases done on the previous difficulty level.
  • However, if you change to a higher difficulty (e.g. from Easy to Hard), the boss's HP/TP bar will be reset upon doing so and ALL unlocking/debuffs/phases will be reset as well. In short, you will lose your entire map progress!

Once the map is cleared (boss HP bar is depleted, boss is defeated, and the HP bar is no longer visible in the map):

  • You CAN NO LONGER re-adjust the difficulty level, but can still farm the map on the difficulty you have chosen to clear the map with.
  • The enemy patterns revert back to pre-final patterns.

NewEdit

ShipsEdit

Minegumo Banner DD Minegumo E-1 Reward
Nisshin Banner AV Nisshin E-3 Reward
Johnston Banner DD Johnston E-3 Drop
Hayanami Banner DD Hayanami E-2 Drop

EquipmentEdit

5inch Single Gun Mount Mk.30 Kai 313 Card 5inch Single Gun Mount Mk.30 Kai GreenGunDP Small Caliber Main Gun (High-angle) E-1 Hard Reward
Type 2 Land-based Reconnaissance Aircraft (Skilled) 312 Card Type 2 Land-based Reconnaissance Aircraft (Skilled) YellowPlane Land-based Reconnaissance Aircraft E-2 Medium/Hard Reward

AbyssalEdit

UnitsEdit

Abyssal Nimbus Princess Banner
Abyssal Nimbus Princess - Damaged Banner
Abyssal Nimbus Princess
  • 3 normal forms
  • 3 damaged forms
Abyssal Destroyer E-1 Boss
Abyssal Sun Princess Banner
Abyssal Sun Princess Damaged Banner
Abyssal Sun Princess
  • 3 normal forms
  • 3 damaged forms
Abyssal Seaplane Tender E-3 Boss
Destroyer Ni-Class Banner
Destroyer Ni-Class Late Model Banner
Destroyer Ni-Class Late Model Elite Banner
Destroyer Ni-Class Kai Late Model Flagship Banner
Destroyer Ni-Class
  • 1 new Kai form
  • 1 new Kai Late Model form
  • 1 new Kai Late Model Elite form
  • 1 new Kai Late Model Flagship form
Abyssal Destroyer Various encounters

EquipmentEdit

Abyssal 5inch Twin Gun Mount Model C RedGunLight Small Caliber Main Gun Abyssal Nimbus Princess equipment
Abyssal 5.5inch Twin Gun Mount Kai RedGunMedium Medium Caliber Main Gun Abyssal Sun Princess equipment
Abyssal Target Torpedo Midget Submarine Abyssal Sun Princess equipment
Abyssal 5inch Single Gun Mount Mk.30 GreenGunDP Small Caliber Main Gun Destroyer Ni-Class (Kai forms) equipment

MapsEdit

Winter 2019 Event Lock
Winter 2019 Event E-1 Map Winter 2019 Event E-2 Map Winter 2019 Event E-3 Map
E-1 E-2 E-3
Grey Tag Green Tag and Blue Tag
Yellow Tag
Single Fleet Single Fleet
Combined Fleet
Single Fleet
Combined Fleet
TP + HP Gauge HP + HP Gauge TP + HP Gauge
LBAS LBAS
Click on image of each map to jump to respective subpage directly if you don't want to use tab
HP/TP Bar Scaling
The amount of HP (or TP) required to clear a map usually varies depending on an Admiral's HQ Level (this was first observed during Summer 2015 Event). The higher the HQ Level is, the more kills (or TP) may be required to complete a map.
Casual[Edit] E1 E2 E3
TP HP HP HP TP HP
40 → 49
50 → 59
60 → 69
70 → 79
80 → 89
90 → 99
100 → 109
110 → 120 170 1600 1400 840 380 4000


Easy[Edit] E1 E2 E3
TP HP HP HP TP HP
40 → 49
50 → 59
60 → 69
70 → 79
80 → 89
90 → 99
100 → 109 165 1550 1350 830 370
110 → 120 170 1600 1400 840 380 4000
Medium[Edit] E1 E2 E3
TP HP HP HP TP HP
40 → 49
50 → 59
60 → 69
70 → 79
80 → 89
90 → 99
100 → 109
110 → 120 180 1600 1400 840 380 4000
Hard[Edit] E1 E2 E3
TP HP HP HP TP HP
80 → 89
90 → 99
100 → 109 830
110 → 120 200 1600 1400 840 380 4000

Quick NotesEdit

Event DropsEdit

[Edit] Press [Expand] to see the table, or [Edit] to edit it

☑ Showing old data ☒ Show old data (hidden)

Legend: R = Reward, D = Drop, Empty = not implemented yet/not yet know, N = not found (after implement)
Exclusive Ships
2014
2015 Events 2016 Events 2017 Events 2018 Events 2019 Events 2020 Events
Portrait
Name
Akizuki Banner
Akizuki
R N N N D D D D D N D D D D N N D N D N D
Prinz Eugen Banner
Prinz Eugen
R N N N D D N D D N N D N N D N N N N N
U-511 Banner
U-511
R D D D N D N N D N D N N N N N D N N D
Amagi Banner
Amagi
R N N N D D D D N D D N N N N N N D N
Katsuragi Banner
Katsuragi
R N N N N D N N N N D D N N D N N N
Littorio Banner
Littorio
R N N N D N N N D D N N D N N D N N
Roma Banner
Roma
D D D N D N N N D D N N D N N D N N
Teruzuki Banner
Teruzuki
R N N D N N D N D D N N D D N D N D
Graf Zeppelin Banner
Graf Zeppelin
D D D N N N N D N D D N N N N N D
Hatsuzuki Banner
Hatsuzuki
R N N D N N N N N D N N N D N D
Iowa Banner
Iowa
R N N N N N N D N N D N N N
Pola Banner
Pola
R N D N N D N N D N N D N N
Kamikaze Banner
Kamikaze
R N D D D D D D N D D N N N
Harukaze Banner
Harukaze
D N D D D D D D N N N N D N
Warspite Banner
Warspite
R N N N D N D D N N D N N
Aquila Banner
Aquila
D N N N D N N D N N D N N
I-26 Banner
I-26
D N D N N N N D N N D D N D
Commandant Teste Banner
Commandant Teste
R N N D N N D N D D N N
Yamakaze Banner
Yamakaze
D N N D D D D D D N D N D
Asakaze Banner
Asakaze
D N D N N D N N D N D N
Matsukaze Banner
Matsukaze
R N N N D D N N N D N D
I-14 Banner
I-14
R N N N N D N N N N N D
I-13 Banner
I-13
D D N N N D N N N D N D
Fujinami Banner
Fujinami
D D D D D D D D D D D D
Kasuga Maru Banner
Kasuga Maru
R N D D D D D N D N D
Gangut Banner
Gangut
R N N D N N D N N N D
Shimushu Banner
Shimushu
D N D D D D D N N N D
Kunashiri Banner
Kunashiri
D N D D D D D N D N D
Etorofu Banner
Etorofu
D D D D D D D D D D D
Hatakaze Banner
Hatakaze
R N D N N N N D N D
Richelieu Banner
Richelieu
R N D D N N D N D
Ark Royal Banner
Ark Royal
R N D D N N D N N D
Luigi Torelli Banner
Luigi Torelli
D N D D N D D N N D
Matsuwa Banner
Matsuwa
D D D D N D N D D D
Suzutsuki Banner
Suzutsuki
R N N D D N N N D
Sado Banner
Sado
R D D N D D D D D
Tsushima Banner
Tsushima
D D D D D D D D D
I-400 Banner
I-400
D N D N D N N N D
Gambier Bay Banner
Gambier Bay
R N N D N N D D
Intrepid Banner
Intrepid
R N N D N N N
Hiburi Banner
Hiburi
R D D D D D N D
Daitou Banner
Daitou
D D D D D D N D
Jervis Banner
Jervis
D N N N D N N
Hamanami Banner
Hamanami
D N D D D D D D
Tashkent Banner
Tashkent
D N N D D N N D
Samuel B. Roberts Banner
Samuel B. Roberts[EDT 1]
N N D N N D
Fukae Banner
Fukae[EDT 2]
D D D D D D D
Shinyou Banner
Shinyou
R N D D D N D
Maestrale Banner
Maestrale
R N N D N N
Nelson Banner
Nelson
R N N D N N
Kishinami Banner
Kishinami
D D D D D D
Gotland Banner
Gotland
D D D D N D
Minegumo Banner
Minegumo
R N D D D D
Nisshin Banner
Nisshin
R N N N N D
Hayanami Banner
Hayanami
D D D D D D
Johnston Banner
Johnston
D D D N N D
Giuseppe Garibaldi Banner
Giuseppe Garibaldi
R N N N
Colorado Banner
Colorado
R N N N
Hachijou Banner
Hachijou
R N D N D
Ishigaki Banner
Ishigaki
D N D N D
Fletcher Banner
Fletcher
D N D N D
Duca degli Abruzzi Banner
Duca degli Abruzzi
R N N
Janus Banner
Janus
R N N
Mikura Banner
Mikura
D D N D
Grecale Banner
Grecale
D N N
Perth Banner
Perth
R N D
Shinshuu Maru Banner
Shinshuu Maru
R N
Atlanta Banner
Atlanta
R N
De Ruyter Banner
De Ruyter
D N D
Houston Banner
Houston
D N D
Hirato Banner
Hirato
D D D
Akishimo Banner
Akishimo
D N D
Usugumo Banner
Usugumo
R
I-47 Banner
I-47
R
Matsu Banner
Matsu
R
South Dakota Banner
South Dakota
R
Hornet Banner
Hornet
R
Jingei Banner
Jingei
D
Kaiboukan No.4 Banner
Kaiboukan No.4
D
Ariake Banner
Ariake
D
Helena Banner
Helena
D
Yashiro Banner
Yashiro
D
Portrait
Name
Exclusive Ships
2014
2015 Events 2016 Events 2017 Events 2018 Events 2019 Events 2020 Events
This table includes all ships that are currently unavailable outside of events.
  1. Samuel B. Roberts introduced as a quest reward from 5A05 during the Kancolle 5th Anniversary
  2. Fukae introduced as drop in (Phase 1) 2-4 & 6-3 during Spring 2018 Mini-Event
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