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Construction

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Construction Menu as shown
Large Ship Construction Menu as shown

Construction is accessible from the Arsenal menu and allows building new ship girls. Note that not all ships are available from construction, some being drops from normal maps, and others event exclusive (see below for details).

Constructing a girl costs a selectable amount of the 4 main Resources as well as "development materials" Development material. It will also take a variable amount of time unless instant constructions Instant construction Material are used.

  • Every player starts off with only 2 construction slots. Up to 2 more slots can be unlocked by using a Dock Opening Key for each.

Construction Types

Two types of ship construction are possible, "Normal Construction" and "Large Ship Construction" (LSC), the former being the most used and cheaper one, and the later being the most expensive with the greatest results.

Normal Construction

"Normal Construction" is the basic construction method. Recipes range from 30-999 fuel Fuel, ammo Ammunition, steel Steel and bauxite Bauxite and each attempt costs 1 development material Development material. Speeding up construction costs 1 instant construction Instant construction Material.

  • If applicable, it is often more resource efficient to find a desired ship in sorties as a drop rather than building them.

Construction Theory

In normal construction, there are 4 pools determining the ship being crafted. Each group has exactly 100 unique ships and the available pools remain the same regardless of which Secretary used (excepted for the Z1-class). The selection of a pool is based on the resource input during the construction:

  • Pool 1 - 300+ Fuel, 400+ Steel, 300+ Bauxite,
  • Pool 2 - 400+ Fuel, 600+ Steel,
  • Pool 3 - 250+ Fuel, 200+ Steel,
  • Pool 4 - Do not meet any of the above requirements.
  • Note: The check is done from top to bottom, if the requirements of multiple pools are fulfilled, only the topmost one is used.

The constructed ship is selected in the pool by a value called "[math]\displaystyle{ ID }[/math]" which can go from 1 to 100, calculated by substating two random values:

[math]\displaystyle{ ID }[/math] Calculation
[math]\displaystyle{ ID = Rand [0 ; 100] - Rand [0 ; Res - 1] }[/math]
With
  • [math]\displaystyle{ Rand }[/math] the function returning a random whole number between its boundaries, included,
  • [math]\displaystyle{ Res }[/math] a whole number that is incremented by having low/high resource inputs of certain types, defined below,
    • The resources used to increment this value depend on the pool that has been selected.

In case [math]\displaystyle{ ID }[/math] is 0 or negative, the value will be converted back into a positive value and incremented by 2.

Which resources that are used to increment value [math]\displaystyle{ Res }[/math] is dependent on the pool that has been selected:

  • Pool 1: Steel Bauxite
[math]\displaystyle{ Res = MAX \Bigg( \Bigg| \Bigg\lceil \frac{Steel-400}{25} \Bigg\rceil + \Bigg\lceil \frac{Baux-300}{20} \Bigg\rceil \Bigg| ; 51\Bigg) }[/math]
  • Pool 2: Ammunition Steel
[math]\displaystyle{ Res = MAX \Bigg( \Bigg| \Bigg\lceil \frac{Ammo-400}{25} \Bigg\rceil + \Bigg\lceil \frac{Steel-600}{30} \Bigg\rceil \Bigg| ; 51\Bigg) }[/math]
  • Pool 3: Ammunition Steel
[math]\displaystyle{ Res = MAX \Bigg( \Bigg| \Bigg\lceil \frac{Ammo-200}{13} \Bigg\rceil + \Bigg\lceil \frac{Steel-200}{20} \Bigg\rceil \Bigg| ; 51\Bigg) }[/math]
  • Pool 4: Fuel Steel
[math]\displaystyle{ Res = MAX \Bigg( \Bigg| \Bigg\lceil \frac{Fuel-100}{10} \Bigg\rceil + \Bigg\lceil \frac{Steel-30}{15} \Bigg\rceil \Bigg| ; 51\Bigg) }[/math]

Source: [1]

Pratical Conclusion
  • Only 2 resources will have an effect depending on the pool. Changing the two others will have no effect as long as it does not change the pool.
  • Of the two resources that have an effect, one has a bigger effect than the other.
    • The effect is capped, above a certain threshold increasing the resources further will not have any effect.
  • The effect of changing resources will increase the drop of some ships by reducing the drop of others.
  • The direct consequence of the round-up is that the effect of resources works by steps starting from the minimum recipe plus one.
    • Increasing the resource of a recipe by an amount inferior to the step has no effect.
    • The steps are as follows:
      • Pool 1: 25 Steel, 20 Bauxite
      • Pool 2: 25 Ammunition, 30 Steel
      • Pool 3: 13 Ammunition, 20 Steel
      • Pool 4: 10 Fuel, 15 Steel
Construction Pools
Construction Pools List
Ship Name Type Pool 4
"Light"
Pool 3
"Special"
Pool 2
"Heavy"
Pool 1
"Aviation"
Ship Banner Mutsuki.png Mutsuki DD ✔️
Ship Banner Kisaragi.png Kisaragi DD ✔️
Ship Banner Satsuki.png Satsuki DD ✔️
Ship Banner Fumizuki.png Fumizuki DD ✔️
Ship Banner Nagatsuki.png Nagatsuki DD ✔️
Ship Banner Kikuzuki.png Kikuzuki DD ✔️
Ship Banner Mikazuki.png Mikazuki DD ✔️
Ship Banner Mochizuki.png Mochizuki DD ✔️
Ship Banner Yayoi.png Yayoi DD ✔️
Ship Banner Fubuki.png Fubuki DD ✔️ ✔️
Ship Banner Shirayuki.png Shirayuki DD ✔️ ✔️
Ship Banner Hatsuyuki.png Hatsuyuki DD ✔️ ✔️
Ship Banner Miyuki.png Miyuki DD ✔️ ✔️
Ship Banner Murakumo.png Murakumo DD ✔️ ✔️
Ship Banner Isonami.png Isonami DD ✔️ ✔️
Ship Banner Ayanami.png Ayanami DD ✔️ ✔️
Ship Banner Shikinami.png Shikinami DD ✔️ ✔️
Ship Banner Oboro.png Oboro DD ✔️
Ship Banner Akebono.png Akebono DD ✔️
Ship Banner Sazanami.png Sazanami DD ✔️
Ship Banner Ushio.png Ushio DD ✔️
Ship Banner Akatsuki.png Akatsuki DD ✔️ ✔️
Ship Banner Hibiki.png Hibiki DD ✔️ ✔️
Ship Banner Ikazuchi.png Ikazuchi DD ✔️ ✔️
Ship Banner Inazuma.png Inazuma DD ✔️ ✔️
Ship Banner Hatsuharu.png Hatsuharu DD ✔️ ✔️
Ship Banner Nenohi.png Nenohi DD ✔️
Ship Banner Wakaba.png Wakaba DD ✔️
Ship Banner Hatsushimo.png Hatsushimo DD ✔️
Ship Banner Shiratsuyu.png Shiratsuyu DD ✔️ ✔️
Ship Banner Shigure.png Shigure DD ✔️ ✔️
Ship Banner Murasame.png Murasame DD ✔️
Ship Banner Yuudachi.png Yuudachi DD ✔️
Ship Banner Samidare.png Samidare DD ✔️
Ship Banner Suzukaze.png Suzukaze DD ✔️ ✔️
Ship Banner Asashio.png Asashio DD ✔️
Ship Banner Ooshio.png Ooshio DD ✔️
Ship Banner Michishio.png Michishio DD ✔️
Ship Banner Arashio.png Arashio DD ✔️
Ship Banner Arare.png Arare DD ✔️
Ship Banner Kasumi.png Kasumi DD ✔️
Ship Banner Kagerou.png Kagerou DD ✔️ ✔️
Ship Banner Shiranui.png Shiranui DD ✔️ ✔️
Ship Banner Kuroshio.png Kuroshio DD ✔️
Ship Banner Akigumo.png Akigumo DD ✔️ ✔️
Ship Banner Yukikaze.png Yukikaze DD ✔️
Ship Banner Shimakaze.png Shimakaze DD ✔️
Ship Banner Z1.png Z1 DD ✔️
Ship Banner Z3.png Z3 DD ✔️
Ship Banner Tenryuu.png Tenryuu CL ✔️ ✔️
Ship Banner Tatsuta.png Tatsuta CL ✔️ ✔️
Ship Banner Kuma.png Kuma CL ✔️ ✔️ ✔️ ✔️
Ship Banner Tama.png Tama CL ✔️ ✔️ ✔️ ✔️
Ship Banner Kitakami.png Kitakami CL ✔️ ✔️ ✔️ ✔️
Ship Banner Ooi.png Ooi CL ✔️
Ship Banner Kiso.png Kiso CL ✔️ ✔️ ✔️ ✔️
Ship Banner Nagara.png Nagara CL ✔️ ✔️ ✔️ ✔️
Ship Banner Isuzu.png Isuzu CL ✔️ ✔️ ✔️ ✔️
Ship Banner Natori.png Natori CL ✔️ ✔️ ✔️ ✔️
Ship Banner Yura.png Yura CL ✔️ ✔️ ✔️
Ship Banner Kinu.png Kinu CL ✔️ ✔️
Ship Banner Abukuma.png Abukuma CL ✔️ ✔️
Ship Banner Sendai.png Sendai CL ✔️ ✔️ ✔️ ✔️
Ship Banner Jintsuu.png Jintsuu CL ✔️ ✔️ ✔️ ✔️
Ship Banner Naka.png Naka CL ✔️ ✔️ ✔️ ✔️
Ship Banner Yuubari.png Yuubari CL ✔️ ✔️
Ship Banner Katori.png Katori CT ✔️
Ship Banner Furutaka.png Furutaka CA ✔️ ✔️
Ship Banner Kako.png Kako CA ✔️ ✔️ ✔️
Ship Banner Aoba.png Aoba CA ✔️ ✔️
Ship Banner Kinugasa.png Kinugasa CA ✔️ ✔️
Ship Banner Myoukou.png Myoukou CA ✔️ ✔️
Ship Banner Nachi.png Nachi CA ✔️ ✔️
Ship Banner Ashigara.png Ashigara CA ✔️ ✔️
Ship Banner Haguro.png Haguro CA ✔️ ✔️
Ship Banner Takao.png Takao CA ✔️ ✔️
Ship Banner Atago.png Atago CA ✔️ ✔️
Ship Banner Maya.png Maya CA ✔️ ✔️
Ship Banner Choukai.png Choukai CA ✔️ ✔️
Ship Banner Mogami.png Mogami CA ✔️ ✔️ ✔️
Ship Banner Kumano.png Kumano CA ✔️
Ship Banner Suzuya.png Suzuya CA ✔️
Ship Banner Tone.png Tone CA ✔️ ✔️ ✔️
Ship Banner Chikuma.png Chikuma CA ✔️ ✔️ ✔️
Ship Banner Kongou.png Kongou FBB ✔️
Ship Banner Hiei.png Hiei FBB ✔️
Ship Banner Haruna.png Haruna FBB ✔️
Ship Banner Kirishima.png Kirishima FBB ✔️
Ship Banner Fusou.png Fusou BB ✔️
Ship Banner Yamashiro.png Yamashiro BB ✔️
Ship Banner Ise.png Ise BB ✔️
Ship Banner Hyuuga.png Hyuuga BB ✔️
Ship Banner Nagato.png Nagato BB ✔️
Ship Banner Mutsu.png Mutsu BB ✔️
Ship Banner Shouhou.png Shouhou CVL ✔️
Ship Banner Ryuujou.png Ryuujou CVL ✔️
Ship Banner Shouhou.png Shouhou CVL ✔️
Ship Banner Zuihou.png Zuihou CVL ✔️
Ship Banner Hiyou.png Hiyou CVL ✔️
Ship Banner Junyou.png Junyou CVL ✔️
Ship Banner Akagi.png Akagi CV ✔️
Ship Banner Kaga.png Kaga CV ✔️
Ship Banner Souryuu.png Souryuu CV ✔️
Ship Banner Hiryuu.png Hiryuu CV ✔️
Ship Banner Shoukaku.png Shoukaku CV ✔️
Ship Banner Zuikaku.png Zuikaku CV ✔️
Ship Banner I-168.png I-168 SS ✔️
Ship Banner I-8.png I-8 SS ✔️
Ship Banner I-58.png I-58 SS ✔️
Ship Banner Chitose.png Chitose AV ✔️
Ship Banner Chiyoda.png Chiyoda AV ✔️

Large Ship Construction

"Large Ship Construction" (LSC) allows to build rarer "bigger" ships in exchange for more resources. Recipes range from 1500-7000 fuel Fuel and ammo Ammunition; 2000-7000 steel Steel and 1000-7000 bauxite Bauxite. Each attempt also costs either 1, 20, or 100 development materials Development material. Speeding up construction costs 10 instant construction Instant construction Material.

  • LSC is unlocked by completing quest F10.
  • According to the developers, having empty construction docks very slightly increases the chances of obtaining rarer ships [2]. This statement has not been fully tested yet.
  • Construction results are solely determined by the amount of resources and devmats used.
    • For few ships, an exact Secretary is required in order to be built, see below.

LSC Construction Theory

LSC works similarly to normal construction, there are 4 pools determining the ship being crafted. Each group has exactly 100 unique ships and the available pools remain the same regardless of which Secretary used The selection of a pool is based on the resource input during the construction:

  • Pool 1 - Fuel > [math]\displaystyle{ 2400+Rand[0;1200] }[/math], Ammunition > [math]\displaystyle{ 1050+Rand[0;900] }[/math], Steel > [math]\displaystyle{ 2800+Rand[0;1400] }[/math], Bauxite > [math]\displaystyle{ 2800+Rand[0;2400] }[/math];
  • Pool 2 - Fuel > [math]\displaystyle{ 2240+Rand[0;1120] }[/math], Ammunition > [math]\displaystyle{ 2940+Rand[0;2520] }[/math], Steel > [math]\displaystyle{ 4400+Rand[0;2200] }[/math], Bauxite > [math]\displaystyle{ 1050+Rand[0;900] }[/math], Development material > 20;
  • Pool 3 - Fuel > [math]\displaystyle{ 1920+Rand[0;960] }[/math], Ammunition > [math]\displaystyle{ 2240+Rand[0;1920] }[/math], Steel > [math]\displaystyle{ 3040+Rand[0;1520] }[/math], Bauxite > [math]\displaystyle{ 910+Rand[0;780] }[/math];
  • Pool 4 - Do not meet any of the above requirements.
  • Note: The check is done from top to bottom, if the requirements of multiple pools are fulfilled, only the topmost one is used.

The constructed ship is selected in the pool by a value called "[math]\displaystyle{ ID }[/math]" which can go from 1 to 100, calculated by subtracting two random values:

[math]\displaystyle{ ID }[/math] Calculation
[math]\displaystyle{ ID = Rand [a ; b] - MAX \big( Rand [0 ; Res - 1] ; 50 \big) }[/math]
With
  • [math]\displaystyle{ a,b }[/math] depend on the number of construction docks "open" (either empty or finished):
[math]\displaystyle{ a,b }[/math]
Nb dock [math]\displaystyle{ a }[/math] [math]\displaystyle{ b }[/math]
1 3 99
2 1 99
3 1 95
4 1 91
  • [math]\displaystyle{ Rand }[/math] the function returning a random whole number between its boundaries, included,
  • [math]\displaystyle{ Res }[/math] a whole number that is incremented by having low/high resource inputs of certain types, defined below,
    • The resources used to increment this value depend on the pool that has been selected.
    • Note that if [math]\displaystyle{ Res\lt 1 }[/math] then the result of [math]\displaystyle{ Rand [0 ; Res - 1] }[/math] is zero.

In case [math]\displaystyle{ ID }[/math] is 0 or negative, the value will be converted back into a positive value and incremented by 2.

In LSC every resource (including Development material) are used to increment value [math]\displaystyle{ Res }[/math] only the weight depend on the pool:

  • Pool 1:
[math]\displaystyle{ Res = \big[ (Fuel-3000) \times 0.003 \big] + \big[ (Ammo-2000) \times 0.003 \big] + \big[ (Steel-4000) \times 0.004 \big] + \big[ (Baux-5000) \times 0.005 \big] + \big[ (DevMat-50) \times 0.1 \big] }[/math]
  • Pool 2:
[math]\displaystyle{ Res = \big[ (Fuel-3500) \times 0.003 \big] + \big[ (Ammo-4500) \times 0.005 \big] + \big[ (Steel-5500) \times 0.004 \big] + \big[ (Baux-2200) \times 0.002 \big] + \big[ (DevMat-60) \times 0.1 \big] }[/math]
  • Pool 3:
[math]\displaystyle{ Res = \big[ (Fuel-4000) \times 0.003 \big] + \big[ (Ammo-3000) \times 0.003 \big] + \big[ (Steel-4000) \times 0.003 \big] + \big[ (Baux-1800) \times 0.002 \big] + \big[ (DevMat-40) \times 0.2 \big] }[/math]
  • Pool 4:
[math]\displaystyle{ Res = \big[ (Fuel-2000) \times 0.002 \big] + \big[ (Ammo-2500) \times 0.002 \big] + \big[ (Steel-3000) \times 0.002 \big] + \big[ (Baux-1500) \times 0.002 \big] + \big[ (DevMat-40) \times 0.2 \big] }[/math]
Note
  • The value between [math]\displaystyle{ \big[ x \big] }[/math] is round down if it's positive and round up if it's negative ([1.5] -> 1 ; [-1.5] -> -1)

Source: [3]

Large Ship Construction Pools
Large Ship Constructions Pools List
Ship Name Type Pool 4 Pool 3 Pool 2 Pool 1
163 Ship Banner Maruyu.png Maruyu SS ✔️ ✔️ ✔️ ✔️
155 Ship Banner I-401.png I-401 SSV ✔️
137 Ship Banner Agano.png Agano CL ✔️ ✔️ ✔️
138 Ship Banner Noshiro.png Noshiro CL ✔️ ✔️ ✔️
139 Ship Banner Yahagi.png Yahagi CL ✔️ ✔️ ✔️
154 Ship Banner Katori.png Katori CT ✔️
265 Ship Banner Kashima.png Kashima CT ? ? ? ?
51 Ship Banner Mogami.png Mogami CA ✔️
116 Ship Banner Mikuma.png Mikuma CA ✔️
124 Ship Banner Suzuya.png Suzuya CA ✔️ ✔️
125 Ship Banner Kumano.png Kumano CA ✔️ ✔️
63 Ship Banner Tone.png Tone CA ✔️
64 Ship Banner Chikuma.png Chikuma CA ✔️
248 Ship Banner Zara.png Zara CA ✔️
21 Ship Banner Kongou.png Kongou FBB ✔️ ✔️ ✔️
22 Ship Banner Hiei.png Hiei FBB ✔️ ✔️ ✔️
23 Ship Banner Haruna.png Haruna FBB ✔️ ✔️ ✔️
24 Ship Banner Kirishima.png Kirishima FBB ✔️ ✔️ ✔️
171 Ship Banner Bismarck.png Bismarck FBB ✔️
26 Ship Banner Fusou.png Fusou BB ✔️ ✔️ ✔️
27 Ship Banner Yamashiro.png Yamashiro BB ✔️ ✔️ ✔️
3 Ship Banner Ise.png Ise BB ✔️ ✔️ ✔️
4 Ship Banner Hyuuga.png Hyuuga BB ✔️ ✔️ ✔️
1 Ship Banner Nagato.png Nagato BB ✔️ ✔️ ✔️
2 Ship Banner Mutsu.png Mutsu BB ✔️ ✔️ ✔️
131 Ship Banner Yamato.png Yamato BB ✔️ ✔️
143 Ship Banner Musashi.png Musashi BB ✔️
239 Ship Banner Warspite.png Warspite BB ✔️
30 Ship Banner Ryuujou.png Ryuujou CVL ✔️
65 Ship Banner Hiyou.png Hiyou CVL ✔️
66 Ship Banner Junyou.png Junyou CVL ✔️
94 Ship Banner Shouhou.png Shouhou CVL ✔️
112 Ship Banner Zuihou.png Zuihou CVL ✔️
6 Ship Banner Akagi.png Akagi CV ✔️
7 Ship Banner Kaga.png Kaga CV ✔️
8 Ship Banner Souryuu.png Souryuu CV ✔️
9 Ship Banner Hiryuu.png Hiryuu CV ✔️
106 Ship Banner Shoukaku.png Shoukaku CV ✔️
107 Ship Banner Zuikaku.png Zuikaku CV ✔️
153 Ship Banner Taihou.png Taihou CV ✔️
233 Ship Banner Saratoga.png Saratoga CV ✔️
315 Ship Banner Ark Royal.png Ark Royal CV ✔️
251 Ship Banner Mizuho.png Mizuho AV ✔️
161 Ship Banner Akitsu Maru.png Akitsu Maru LHA ✔️ ✔️ ✔️
162 Ship Banner Kamoi.png Kamoi AO ✔️
260 Ship Banner Hayasui.png Hayasui AO ? ? ? ?

Special Secretary

Some ships require a specific Secretary (1st fleet flagship) in order to be crafted.

  • For any other construction, the Secretary is independent of the crafting result.
Special Construction Requirements
Required Secretary Ship added to craft pool Notes
Normal Construction
Ship Banner Z1.png
Z1
Ship Banner Z3.png
Z3
Quest D8 MUST be completed first.[citation needed]
Ship Banner Z3.png
Z3
Ship Banner Z1.png
Z1
Large Ship Construction
Ship Banner Z1.png
Z1
Ship Banner Z3.png
Z3
Ship Banner Bismarck.png
Bismarck
Ship Banner Libeccio.png
Libeccio
Ship Banner Pola.png
Pola
Ship Banner Zara.png
Zara
Ship Banner Kamoi.png
Kamoi
Ship Banner Iowa.png
Iowa
Ship Banner Saratoga.png
Saratoga
Ship Banner Kongou Kai Ni.png
Kongou Kai Ni
Ship Banner Warspite.png
Warspite
Kongou must be Kai Ni/CKongou Kai Ni
Kongou Kai Ni C
Ship Banner Warspite.png
Warspite
Ship Banner Ark Royal.png
Ark Royal

Construction Timers

The times below reflect the type of ship or specific ship you will obtain after hitting the build button.

Time Ship Type Result Note
00:17:00 Submarine MaruyuMaruyu LSC
00:18:00 Destroyer Mutsuki-classMutsuki
Kisaragi
Yayoi
Satsuki
Fumizuki
Nagatsuki
Kikuzuki
Mikazuki
Mochizuki
00:20:00 Fubuki-classFubuki
Shirayuki
Hatsuyuki
Miyuki
Murakumo
Isonami
, Ayanami-classAyanami
Shikinami
Oboro
Akebono
Sazanami
Ushio
, Akatsuki-classAkatsuki
Hibiki
Ikazuchi
Inazuma
, Hatsuharu-classHatsuharu
Nenohi
Wakaba
Hatsushimo
00:22:00 Shiratsuyu-classShiratsuyu
Shigure
Murasame
Yuudachi
Samidare
Suzukaze
, Asashio-classAsashio
Ooshio
Michishio
Arashio
Arare
Kasumi
Submarine I-168I-168, I-8I-8, I-58I-58
00:24:00 Destroyer Kagerou-classKagerou
Shiranui
Kuroshio
Yukikaze
Akigumo
, Z1-classZ1
Z3
00:30:00 ShimakazeShimakaze
01:00:00 Light Cruiser Tenryuu-classTenryuu
Tatsuta
, Kuma-classKuma
Tama
Kitakami
Ooi
Kiso
, NagaraNagara, NatoriNatori, YuraYura, Sendai-classSendai
Jintsuu
Naka
Agano-classAgano
Noshiro
Yahagi
LSC
Heavy Cruiser Furutaka-classFurutaka
Kako
, Aoba-classAoba
Kinugasa
01:10:00 Training Cruiser KatoriKatori
KashimaKashima LSC
Heavy Cruiser ZaraZara LSC
01:15:00 Light Cruiser KinuKinu, AbukumaAbukuma
01:20:00 Heavy Cruiser Myoukou-classMyoukou
Nachi
Ashigara
Haguro
01:22:00 Light Cruiser YuubariYuubari
01:25:00 Heavy Cruiser Takao-classTakao
Atago
Maya
Choukai
01:30:00 MogamiMogami, SuzuyaSuzuya, KumanoKumano, Tone-classTone
Chikuma
MikumaMikuma LSC
02:00:00 Light Aircraft Carrier HoushouHoushou
02:20:00 Seaplane Tender ChitoseChitose, ChiyodaChiyoda
MizuhoMizuho LSC
Fleet Oiler KamoiKamoi LSC
02:30:00 Amphibious Assault Ship Akitsu MaruAkitsu Maru LSC
02:40:00 Light Aircraft Carrier Shouhou-classShouhou
Zuihou
02:50:00 RyuujouRyuujou
03:00:00 Hiyou-classHiyou
Junyou
03:20:00 Aircraft Carrying Submarine I-401I-401 LSC
03:40:00 Fleet Oiler HayasuiHayasui LSC
04:00:00 Fast Battleship Kongou-classKongou
Hiei
Haruna
Kirishima
04:10:00 Regular Aircraft Carrier SouryuuSouryuu, HiryuuHiryuu
Ark RoyalArk Royal LSC
04:20:00 Battleship Fusou-classFusou
Yamashiro
Regular Aircraft Carrier KagaKaga
04:30:00 Battleship Ise-classIse
Hyuuga
Regular Aircraft Carrier AkagiAkagi
04:40:00 Battleship WarspiteWarspite LSC
05:00:00 Battleship Nagato-classNagato
Mutsu
BismarckBismarck LSC
05:30:00 Regular Aircraft Carrier SaratogaSaratoga LSC
06:00:00 Regular Aircraft Carrier Shoukaku-classShoukaku
Zuikaku
06:40:00 Armored Aircraft Carrier TaihouTaihou LSC
08:00:00 Battleship Yamato-classYamato
Musashi
LSC

Ship Availability

Ship Availability
Ship Type Buidable Unbuidable
Craftable LSC only Drops Event Only
DE Matsuwa · Sado · Tsushima · Hirato · Mikura · Hiburi · Daitou Kaiboukan No.22 · Inagi · Shounan · Ukuru · Kurahashi · Noumi · Shimushu · Kunashiri · Hachijou · Ishigaki · Etorofu · Fukae · Yashiro · Kaiboukan No.4 · Kaiboukan No.30
DD Mutsuki · Kisaragi · Yayoi · Satsuki · Fumizuki · Nagatsuki · Kikuzuki · Mikazuki · Mochizuki · Fubuki · Shirayuki · Hatsuyuki · Miyuki · Murakumo · Isonami · Ayanami · Shikinami · Oboro · Akebono · Sazanami · Ushio · Akatsuki · Hibiki · Ikazuchi · Inazuma · Hatsuharu · Nenohi · Wakaba · Hatsushimo · Shiratsuyu · Shigure · Murasame · Yuudachi · Samidare · Suzukaze · Asashio · Ooshio · Michishio · Arashio · Arare · Kasumi · Kagerou · Shiranui · Kuroshio · Yukikaze · Akigumo · Shimakaze · Z1 · Z3 Kamikaze · Asakaze · Hatakaze · Uzuki · Minazuki · Uranami · Amagiri · Sagiri · Harusame · Umikaze · Yamakaze · Kawakaze · Asagumo · Yamagumo · Oyashio · Hatsukaze · Amatsukaze · Tokitsukaze · Urakaze · Isokaze · Hamakaze · Tanikaze · Nowaki · Arashi · Hagikaze · Maikaze · Yuugumo · Makigumo · Kazagumo · Naganami · Takanami · Fujinami · Okinami · Kishinami · Asashimo · Hayashimo · Kiyoshimo · Libeccio Yuugure · Shirakumo · Natsugumo · Heywood L. Edwards · Mogador · Fuyutsuki · Javelin · Tamanami · Ume · Hayashio · Harukaze · Matsukaze · Usugumo · Ariake · Minegumo · Makinami · Suzunami · Hayanami · Hamanami · Akishimo · Akizuki · Teruzuki · Suzutsuki · Hatsuzuki · Matsu · Take · Momo · Maestrale · Grecale · Scirocco · Fletcher · Johnston · Samuel B. Roberts · Jervis · Janus · Tashkent
CL Tenryuu · Tatsuta · Kuma · Tama · Kitakami · Ooi · Kiso · Nagara · Isuzu · Natori · Yura · Kinu · Abukuma · Sendai · Jintsuu · Naka · Yuubari Agano · Noshiro · Yahagi Sakawa · Ooyodo Gloire · Brooklyn · Phoenix · Duca degli Abruzzi · Giuseppe Garibaldi · Honolulu · Helena · Atlanta · Sheffield · Gotland · De Ruyter · Perth
CA Furutaka · Kako · Aoba · Kinugasa · Myoukou · Nachi · Ashigara · Haguro · Takao · Atago · Maya · Choukai · Mogami · Suzuya · Kumano · Tone · Chikuma Mikuma · Zara Pola Tuscaloosa · Prinz Eugen · Northampton · Houston
F/BB Kongou · Hiei · Haruna · Kirishima · Fusou · Yamashiro · Ise · Hyuuga · Nagato · Mutsu Bismarck · Yamato · Musashi · Warspite Massachusetts · Jean Bart · Littorio · Roma · Washington · South Dakota · Iowa · Richelieu · Gangut · Nevada · Rodney · Valiant · Maryland · Conte di Cavour · Colorado · Nelson
CVL Houshou · Ryuujou · Shouhou · Zuihou · Hiyou · Junyou Gambier Bay Yawata Maru · Langley · Kasuga Maru · Shinyou
CV/B Akagi · Kaga · Souryuu · Hiryuu · Shoukaku · Zuikaku Saratoga · Ark Royal · Taihou Unryuu Ranger · Lexington · Amagi · Katsuragi · Graf Zeppelin · Aquila · Intrepid · Hornet · Victorious
SS/V I-168 · I-8 · I-58 Maruyu · I-401 I-19 · Luigi Torelli C.Cappellini · Scamp · Salmon · Drum · I-201 · I-26 · I-47 · I-203 · U-511 · I-41 · I-36 · I-13 · I-14 · I-400
Aux Chitose · Chiyoda · Katori Mizuho · Akitsu Maru · Kashima · Kamoi · Hayasui Akitsushima · Akashi · Taigei Nisshin · Commandant Teste · Kumano Maru · No.101 Transport Ship · Shinshuu Maru · Heian Maru · Jingei · Chougei · Asahi · Yamashio Maru · Souya
  • Some ships are rewarded in Quests.
  • Several ships are currently dropable for a limited time, see here.
  • Some ships may become buildable in future updates.

Building Recipes

Disclaimers
  • These recipes are not guaranteed to give the exact ship wanted in any reasonable number of crafting attempts.
  • Percentages listed are sourced from the drop databases and may not be representative of the real craft rates.
  • Some ships require special Secretary to be crafted (see here).

Normal Construction Recipes

Destroyer / Light Cruiser / Heavy Cruiser / Submarine

Fuel Ammunition Steel Bauxite Notes
30 30 30 30 Mainly common destroyers and light cruisers. No rare destroyers. Small chance of Akigumo, Yayoi, & Yuubari.
250 30 200 30 Heavy cruisers, submarines, rare light Cruisers, and rare destroyers. Small chance to yield training cruiser Katori.

Includes chance of rare destroyers (Shimakaze, Yukikaze) and submarines (I-168, I-58, I-8).
1.22 % Shimakaze, 1.71 % Yukikaze, 2.6 % for submarines. [4]
Z3 when using Z1 as Secretary.
Z1 when using Z3 as Secretary.

  • Recipe percentages do not count Z1 & Z3 yet.

Battleship

Fuel Ammunition Steel Bauxite Notes
400 30 600 30 BB (32.52 %), CA (59.84 %).

2.98 % Suzuya, 2.01 % Mutsu, 1.09 % Nagato.

Standard Carrier / Light Carrier

Fuel Ammunition Steel Bauxite Notes
300 30 400 300 Most common recipe. 7.9 % chance for carriers. 32.3 % light carrier [5]
Minimum amount needed to possibly create a CV/CVL according to KC Kai data.
350 30 400 350 8.5 % < 500 entries
300 30 600 400 14.3 % < 500 entries
350 30 600 350 11.9 % carrier, 32.7 % light carrier [6]

Large Ship Construction Recipes

Due to their nature and expansiveness, data on LSC recipes is relatively low and may not be fully accurate or up to date.

  • Please note that all ships craftable via LSC often come back as Event rare drops.

Theorical Recipes

The following are optimized recipes using data from the Kancolle Kai version [7].

The general rule for using the recipes:

  • The "minimum recipes" are the minimum resources needed to obtain the desired ship.
  • Increasing the resource does increase the rate and is recommended to some extent.
    • Depending on the pool, increasing some resources is more effective than others.
    • Like normal construction, resources should be increased by step. Those steps are here collapsed in the recipes table below.
    • Unless capped, it is not recommended to increase the Development material DevMats cost.
  • Unless stated otherwise having more construction docks empty increases the rate.
    • That means LSC should not be done one after another because the "in construction" docks will decrease the rate.
Maruyu
FuelAmmunitionSteelBauxiteDevelopment materialNote
15001500200010001Recommended recipe
Notes
  • Unlike other recipes, the number of free docks should be minimum (ideally 1).
Yamato-class (& Bismarck / Warspite)
FuelAmmunitionSteelBauxiteDevelopment materialNote
336055006750195020Minimum recipe
[Show resource steps]
3840570070002700100
  • Increasing Ammunition ammo is more effective than Fuel fuel
  • Bauxite Bauxite should not be increased above 2700, else the recipe will fall on the carrier pool.
41705900
45006100
48406300
51706500
55006700
58406900
6170
6500
6840
336069007000195020Recommended recipe
Notes
  • This recipe should be used first if neither Yamato nor Musashi are in possession.
  • If Musashi is constructed first, use the "Yamato only" recipe below for Yamato instead.
  • Using the adequate secretary with those recipes can construct Bismarck or Warspite.
    • Note that it will greatly reduced the rate of both Yamato and Musashi.
Yamato only
FuelAmmunitionSteelBauxiteDevelopment materialNote
30004340467016901Minimum recipe
[Show resource steps]
3500467050002300X
  • Increasing Ammunition ammo and Steel steel is more effective than Fuel fuel
  • Bauxite Bauxite should not be increased above 2800, else the recipe will fall on the carrier pool.
  • Development material DevMats should not be increased, else the recipe will fall on the heavy pool.
4000500050002800
450053405340
500056705670
550060006000
600063406340
650066706670
700070007000
30006000600016901Recommended recipe
Notes
  • The above Yamasushi recipe should be used first if neither Yamato nor Musashi are in possession.
Taihou (& Saratoga / Ark Royal)
FuelAmmunitionSteelBauxiteDevelopment materialNote
36701950425052001Minimum recipe
[Show resource steps]
4000234045005400X
  • Increasing Steel steel and Bauxite bauxite is more effective than Fuel fuel and Ammunition ammo.
4340267047505600
4670300050005800
5000334052506000
5340367055006200
5670400057506400
6000434060006600
6340467062506800
6670500065007000
700053406750
56707000
6000
6340
6670
7000
40001950500060001Recommended recipe
Notes
  • Using the adequate secretary with those recipes can construct Saratoga or Ark Royal.
    • Note that it will greatly reduced the rate of Taihou.

Old Empirical Recipes

Using any of the above mentioned Helper is either required or discouraged, depending on the targeted craft.

  • When crafting a ship requiring a helper, then said helper is mandatory,
  • However, when crafting any other ship, using those helpers will decrease the crafting rate of the targeted ship.
Fuel Ammunition Steel Bauxite Development material Focused Ship Crafting rate Sample size Helper? Notes
Any Any Any Any Any Maruyu 14.9 % with 1.5/1.5/2/1
6.2 % with 4/6/6/2
- Using fewer resources increases the rate
1500 1500 2000 1000 1 Nagato-class
Mogami-class
Agano-class
3.2 % Nagato; 6.2 % Mutsu
2.1 % Mikuma; 3.0 % Suzuya; 3.2 % Kumano
3.2 % Agano; 2.1 % Noshiro; 1.7 % Yahagi
25 000
4000 2000 5000 7000 20 Taihou 5.5 % 7 062
4000 2000 5000 6000 20 Taihou 5.7 % 4 721
4000 2000 5000 5200 20 Taihou 5.0 % 15 165
3600 2000 5300 5200 20 Taihou 4.6 % 717 Lacking data
3600 2000 5300 5200 1 Akitsu Maru 7.0 % 717 Lacking data
4000 2000 5000 5500 20 Taihou
Akitsu Maru
6.0 % Taihou
8.6 % Akitsu Maru
909 Lacking data
4000 6000 6000 3000 20 Yamato-class
Yamato focus
2.7 % Yamato
2.9 % Musashi
23 902
Bismarck 2.4 % 4 064 ✔️ Yamato-class possible
4000 7000 7000 2000 20 Yamato-class
Musashi focus
2.7 % Yamato
5.8 % Musashi
10 117
Bismarck 1.1 % 4 628 ✔️ Yamato-class possible
4000 7000 7000 2000 1 I-401
Yamato
4.1 % I-401
3.2 % Yamato
4 547
6000 7000 7000 2000 20 Yamato-class
Musashi focus
2.7 % Yamato
7.2 % Musashi
9 975
4000 6000 7000 2000 20 Yamato-class
Bismarck focus
1.9 % Yamato
3.5 % Musashi
17 498 Should uses Bismarck's helpers
6.9% Bismarck 11 683 ✔️
4000 6000 6000 2000 20 Yamato-class 2.4 % Yamato
2.6 % Musashi
1.3 % I-401
57 104 Most Reported
Bismarck 2.5 % 19 000 ✔️
4000 6000 6000 2000 1 I-401
Yamato
4.3 % I-401
2.5 % Yamato
30 200
4000 5900 6000 2000 1 I-401 4.3 % 1 324 Lacking data
4000 7000 7000 3000 1 I-401 6.9 % 306 Lacking data
3000 4500 4500 2000 20 Zara 3.3 % 3627 ✔️
3500 3500 6000 6000 20 Kamoi 1.5 % 4796
4000 2000 5000 6000
7000
20 Kamoi
Saratoga
2.8 % Kamoi
2.0 % Saratoga
19 350 ✔️
7000 7000 7000 3000 20 Warspite 1.9% 161 ✔️ Lacking data
4000 2000 5000 5200 20 Ark Royal ? % N/A ✔️ Lacking data
?? ?? ?? ?? ?? Kashima ? % N/A Lacking data
?? ?? ?? ?? ?? Hayasui ? % N/A Lacking data
Notes
  • Regarding the use of 1/20/100 Development material Devmats:
    • The amount used affects the pool of craftable ships, with some ships only appearing with 20+ Devmats.
    • Using 100 Devmats does give better rates for some heavier ships, but the gain is often too marginal to justify this cost increase.
    • E.g.:
      • I-401 chances are improved with 1 dev mat.
      • Yamato appears with all dev mat inputs.
      • Bismarck and Musashi do not appear with 1 dev mat.
      • Aiming for Bismarck before Musashi can help save both resources and Devmats as Musashi can always appear from a Bismarck attempt, but not necessarily the other way around (if a German ship is not used).
Sources
  • Based on Poi-Statistics.
  • Kancolle DB reports include all development materials and Secretary used. This is especially noticeable for BB recipes where the number of attempts with/without Z1/Z3 skew the results towards either Bismarck or Yamato-class significantly. However, since the data sets are still significantly less biased than wikiwiki reports, it gives a better idea of what to expect.

See Also