All equipment Improvement through the Akashi's Improvement Arsenal require specific "helper ships" to second Akashi. Depending on the ship second to Akashi, its remodel, and the day of the week, the set of equipment that can be improved will change.
- Do note that certain ships are incapable of "upgrading" some equipment even though they are able to improve them to ,
- In some cases, an equipment can be upgraded into 2 or 3 different new equipment, with the helper determining the result.
The following equipment do not require any specific helper, and can be improved in all cases where they are not overtaken by other help upgrades, including when Akashi is alone in the fleet:
List of ships and their related quests
For a given equipment:
- "Improvement" means that the relevant ship can only improve said equipment but not improve it,
- "Upgrade" means that the relevant ship can both improve and upgrade said equipment (on at least one of her remodels),
N° 1-10
N° |
Ship |
Improvement |
Upgrade |
Notes
|
001
|
Nagato
|
Type 1 Land-based Attack Aircraft (Hachiman Force)
|
41cm Twin Gun Mount, Anti-torpedo Bulge (Large), Prototype 41cm Triple Gun Mount, 41cm Triple Gun Mount Kai
|
|
002
|
Mutsu
|
Type 3 Shell Kai, 41cm Twin Gun Mount Kai 2, Type 1 Armor Piercing Shell Kai
|
41cm Twin Gun Mount, Anti-torpedo Bulge (Large), Prototype 41cm Triple Gun Mount, 41cm Triple Gun Mount Kai,
|
|
003
|
Ise
|
|
Zuiun,
|
|
004
|
Hyuuga
|
|
|
|
005
|
Yukikaze Dan Yang
|
|
|
|
006
|
Akagi
|
|
|
|
007
|
Kaga
|
|
|
|
008
|
Souryuu
|
|
|
|
009
|
Hiryuu
|
|
|
|
010
|
Shimakaze
|
|
|
|
N° 11-20
N° |
Ship |
Improvement |
Upgrade |
Notes
|
011
|
Fubuki
|
|
|
|
012
|
Shirayuki
|
|
|
|
013
|
Hatsuyuki
|
|
|
|
014
|
Miyuki
|
|
|
|
015
|
Murakumo
|
|
|
|
016
|
Isonami
|
|
|
|
017
|
Ayanami
|
|
|
|
018
|
Shikinami
|
|
|
|
019
|
Ooi
|
|
|
|
020
|
Kitakami
|
|
|
|
N° 21-30
N° |
Ship |
Improvement |
Upgrade |
Notes
|
021
|
Kongou
|
|
|
|
022
|
Hiei
|
|
|
|
023
|
Haruna
|
|
|
|
024
|
Kirishima
|
|
|
|
025
|
Houshou
|
|
|
|
026
|
Fusou
|
|
|
|
027
|
Yamashiro
|
|
|
|
028
|
Tenryuu
|
|
|
|
029
|
Tatsuta
|
|
|
|
030
|
Ryuujou
|
|
|
|
N° 31-40
N° |
Ship |
Improvement |
Upgrade |
Notes
|
031
|
Mutsuki
|
|
|
|
032
|
Kisaragi
|
|
|
|
033
|
Satsuki
|
|
|
|
034
|
Fumizuki
|
|
|
|
035
|
Nagatsuki
|
|
|
|
036
|
Kikuzuki
|
|
|
|
037
|
Mikazuki
|
|
|
|
038
|
Mochizuki
|
|
|
|
039
|
Kuma
|
|
|
|
040
|
Tama
|
|
|
|
N° 41-50
N° |
Ship |
Improvement |
Upgrade |
Notes
|
041
|
Kiso
|
|
|
|
042
|
Nagara
|
|
|
|
043
|
Isuzu
|
|
|
|
044
|
Natori
|
|
|
|
045
|
Yura
|
|
|
|
046
|
Sendai
|
|
|
|
047
|
Jintsuu
|
|
|
|
048
|
Naka
|
|
|
|
049
|
Chitose
|
|
|
|
050
|
Chiyoda
|
|
|
|
N° 51-60
N° |
Ship |
Improvement |
Upgrade |
Notes
|
051
|
Mogami
|
|
|
|
052
|
Furutaka
|
|
|
|
053
|
Kako
|
|
|
|
054
|
Aoba
|
|
|
|
055
|
Myoukou
|
|
|
|
056
|
Nachi
|
|
|
|
057
|
Ashigara
|
|
|
|
058
|
Haguro
|
|
|
|
059
|
Takao
|
|
|
|
060
|
Atago
|
|
|
|
N° 61-70
N° |
Ship |
Improvement |
Upgrade |
Notes
|
061
|
Maya
|
|
|
|
062
|
Choukai
|
|
|
|
063
|
Tone
|
|
|
|
064
|
Chikuma
|
|
|
|
065
|
Hiyou
|
|
|
|
066
|
Junyou
|
|
|
|
067
|
Oboro
|
|
|
|
068
|
Akebono
|
|
|
|
069
|
Sazanami
|
|
|
|
070
|
Ushio
|
|
|
|
N° 71-80
N° |
Ship |
Improvement |
Upgrade |
Notes
|
071
|
Akatsuki
|
|
|
|
072
|
Hibiki Verniy
|
|
|
|
073
|
Ikazuchi
|
|
|
|
074
|
Inazuma
|
|
|
|
075
|
Hatsuharu
|
|
|
|
076
|
Nenohi
|
|
|
|
077
|
Wakaba
|
|
|
|
078
|
Hatsushimo
|
|
|
|
079
|
Shiratsuyu
|
|
|
|
080
|
Shigure
|
|
|
|
N° 81-90
N° |
Ship |
Improvement |
Upgrade |
Notes
|
081
|
Murasame
|
|
|
|
082
|
Yuudachi
|
|
|
|
083
|
Samidare
|
|
|
|
084
|
Suzukaze
|
|
|
|
085
|
Asashio
|
|
|
|
086
|
Ooshio
|
|
|
|
087
|
Michishio
|
|
|
|
088
|
Arashio
|
|
|
|
089
|
Arare
|
|
|
|
090
|
Kasumi
|
|
|
|
N° 91-100
N° |
Ship |
Improvement |
Upgrade |
Notes
|
091
|
Kagerou
|
|
|
|
092
|
Shiranui
|
|
|
|
093
|
Kuroshio
|
|
|
|
094
|
Shouhou
|
|
|
|
N° 101-110
N° |
Ship |
Improvement |
Upgrade |
Notes
|
106
|
Shoukaku
|
|
|
|
107
|
Zuikaku
|
|
|
|
109
|
Kinu
|
|
|
|
110
|
Abukuma
|
|
|
|
N° 111-120
N° |
Ship |
Improvement |
Upgrade |
Notes
|
111
|
Yuubari
|
|
|
|
112
|
Zuihou
|
|
|
|
116
|
Mikuma
|
|
|
|
118
|
Hatsukaze
|
|
|
|
119
|
Maikaze
|
|
|
|
120
|
Kinugasa
|
|
|
|
N° 121-130
N° |
Ship |
Improvement |
Upgrade |
Notes
|
123
|
I-19
|
|
|
|
124
|
Suzuya
|
|
|
|
125
|
Kumano
|
|
|
|
126
|
I-168
|
|
|
|
127
|
I-58
|
|
|
|
128
|
I-8
|
|
|
|
N° 131-140
N° |
Ship |
Improvement |
Upgrade |
Notes
|
131
|
Yamato
|
|
|
|
132
|
Akigumo
|
|
|
|
133
|
Yuugumo
|
|
|
|
134
|
Makigumo
|
|
|
|
135
|
Naganami
|
|
|
|
137
|
Agano
|
|
|
|
138
|
Noshiro
|
|
|
|
139
|
Yahagi
|
|
|
|
140
|
Sakawa
|
|
|
|
N° 141-150
N° |
Ship |
Improvement |
Upgrade |
Notes
|
143
|
Musashi
|
|
|
|
N° 151-160
N° |
Ship |
Improvement |
Upgrade |
Notes
|
153
|
Taihou
|
|
|
|
154
|
Katori
|
|
|
|
155
|
I-401
|
|
|
|
N° 161-170
N° |
Ship |
Improvement |
Upgrade |
Notes
|
161
|
Akitsu Maru
|
|
|
|
162
|
Kamoi
|
|
|
|
163
|
Maruyu
|
|
|
|
164
|
Yayoi
|
|
|
|
165
|
Uzuki
|
|
|
|
167
|
Isokaze
|
|
|
|
168
|
Urakaze
|
|
|
|
169
|
Tanikaze
|
|
|
|
170
|
Hamakaze
|
|
|
|
N° 171-180
N° |
Ship |
Improvement |
Upgrade |
Notes
|
171
|
Bismarck
|
|
|
|
174
|
Z1
|
|
|
|
175
|
Z3
|
|
|
|
176
|
Prinz Eugen
|
|
|
|
N° 181-190
N° |
Ship |
Improvement |
Upgrade |
Notes
|
181
|
Amatsukaze
|
|
|
|
182
|
Akashi
|
|
|
|
183
|
Ooyodo
|
|
|
|
184
|
Taigei Ryuuhou
|
|
|
|
186
|
Tokitsukaze
|
|
|
|
N° 191-200
N° 201-210
N° |
Ship |
Improvement |
Upgrade |
Notes
|
201
|
Unryuu
|
|
|
|
202
|
Amagi
|
|
|
|
203
|
Katsuragi
|
|
|
|
205
|
Harusame
|
|
|
|
209
|
Hayashimo
|
|
|
|
210
|
Kiyoshimo
|
|
|
|
N° 211-220
N° |
Ship |
Improvement |
Upgrade |
Notes
|
213
|
Asagumo
|
|
|
|
214
|
Yamagumo
|
|
|
|
215
|
Nowaki
|
|
|
|
N° 221-230
N° |
Ship |
Improvement |
Upgrade |
Notes
|
221
|
Akizuki
|
|
|
|
222
|
Teruzuki
|
|
|
|
223
|
Hatsuzuki
|
|
|
|
224
|
Takanami
|
|
|
|
225
|
Asashimo
|
|
|
|
N° 231-240
N° |
Ship |
Improvement |
Upgrade |
Notes
|
231
|
U-511 Ro-500
|
|
|
|
232
|
Graf Zeppelin
|
|
|
|
233
|
Saratoga
|
|
|
|
239
|
Warspite
|
|
|
|
240
|
Iowa
|
|
|
|
N° 241-250
N° |
Ship |
Improvement |
Upgrade |
Notes
|
241
|
Littorio Italia
|
|
|
|
242
|
Roma
|
|
|
|
243
|
Libeccio
|
|
|
|
244
|
Aquila
|
|
|
|
245
|
Akitsushima
|
|
|
|
248
|
Zara
|
|
|
|
249
|
Pola
|
|
|
|
N° 251-260
N° |
Ship |
Improvement |
Upgrade |
Notes
|
251
|
Mizuho
|
|
|
|
252
|
Okinami
|
|
|
|
253
|
Kazagumo
|
|
|
|
254
|
Arashi
|
|
|
|
255
|
Hagikaze
|
|
|
|
256
|
Oyashio
|
|
|
|
257
|
Yamakaze
|
|
|
|
258
|
Umikaze
|
|
|
|
259
|
Kawakaze
|
|
|
|
260
|
Hayasui
|
|
|
|
N° 261-270
N° |
Ship |
Improvement |
Upgrade |
Notes
|
265
|
Kashima
|
|
|
|
N° 271-280
N° |
Ship |
Improvement |
Upgrade |
Notes
|
271
|
Kamikaze
|
|
|
|
272
|
Asakaze
|
|
|
|
273
|
Harukaze
|
|
|
|
274
|
Matsukaze
|
|
|
|
275
|
Hatakaze
|
|
|
|
279
|
Amagiri
|
|
|
|
280
|
Sagiri
|
|
|
|
N° 281-290
N° |
Ship |
Improvement |
Upgrade |
Notes
|
281
|
Minazuki
|
|
|
|
283
|
I-26
|
|
|
|
284
|
Hamanami
|
|
|
|
285
|
Fujinami
|
|
|
|
286
|
Uranami
|
|
|
|
N° 291-300
N° |
Ship |
Improvement |
Upgrade |
Notes
|
291
|
Commandant Teste
|
|
|
|
292
|
Richelieu
|
|
|
|
293
|
I-400
|
|
|
|
294
|
I-13
|
|
|
|
295
|
I-14
|
|
|
|
N° 311-320
N° |
Ship |
Improvement |
Upgrade |
Notes
|
311
|
Gangut Oktyabrskaya Revolyutsiya
|
|
|
|
313
|
Tashkent
|
|
|
|
314
|
Sheffield
|
|
|
|
315
|
Ark Royal
|
|
|
|
317
|
Shimushu
|
|
|
|
318
|
Kunashiri
|
|
|
|
319
|
Jervis
|
|
|
|
320
|
Janus
|
|
|
|
N° 321-330
N° |
Ship |
Improvement |
Upgrade |
Notes
|
321
|
Kasuga Maru Taiyou
|
|
|
|
322
|
Yawata Maru Unyou
|
|
|
|
324
|
Shinyou
|
|
|
|
325
|
Luigi Torelli UIT-25 / I-504
|
|
|
|
327
|
Kishinami
|
|
|
|
328
|
Hayanami
|
|
|
|
N° 331-340
N° |
Ship |
Improvement |
Upgrade |
Notes
|
332
|
Suzutsuki
|
|
|
|
333
|
Fuyutsuki
|
|
|
|
334
|
Etorofu
|
|
|
|
335
|
Matsuwa
|
|
|
|
339
|
Sado
|
|
|
|
340
|
Tsushima
|
|
|
|
N° 341-350
N° |
Ship |
Improvement |
Upgrade |
Notes
|
344
|
Gambier Bay
|
|
|
|
349
|
Intrepid
|
|
|
|
N° 351-360
N° |
Ship |
Improvement |
Upgrade |
Notes
|
351
|
Hiburi
|
|
|
|
352
|
Daitou
|
|
|
|
N° 361-370
N° |
Ship |
Improvement |
Upgrade |
Notes
|
361
|
Samuel B. Roberts
|
|
|
|
362
|
|
|
|
365
|
Fukae
|
|
|
|
370
|
Hirato
|
|
|
|
N° 371-380
N° |
Ship |
Improvement |
Upgrade |
Notes
|
371
|
Nelson
|
|
|
|
372
|
Rodney
|
|
|
|
374
|
Gotland
|
|
|
|
375
|
Maestrale
|
|
|
|
N° 381-390
N° |
Ship |
Improvement |
Upgrade |
Notes
|
381
|
Nisshin
|
|
|
|
382
|
Natsugumo
|
|
|
|
383
|
Minegumo
|
|
|
|
384
|
Hachijou
|
|
|
|
385
|
Ishigaki
|
|
|
|
389
|
Duca degli Abruzzi
|
|
|
|
390
|
Giuseppe Garibaldi
|
|
|
|
N° 391-400
N° |
Ship |
Improvement |
Upgrade |
Notes
|
395
|
Houston
|
|
|
|
396
|
Fletcher
|
|
|
|
397
|
Atlanta
|
|
|
|
398
|
Honolulu Kai
|
|
|
|
399
|
De Ruyter
|
|
|
|
N° 401-410
N° |
Ship |
Improvement |
Upgrade |
Notes
|
401
|
Colorado
|
|
|
|
402
|
South Dakota
|
|
|
|
403
|
Hornet
|
|
|
|
408
|
Souya
|
|
|
|
N° 411-420
N° |
Ship |
Improvement |
Upgrade |
Notes
|
411
|
Mikura
|
|
|
|
412
|
Yashiro
|
|
|
|
413
|
Perth
|
|
|
|
414
|
Grecale
|
|
|
|
415
|
Helena
|
|
|
|
N° 421-430
N° |
Ship |
Improvement |
Upgrade |
Notes
|
421
|
Shinshuu Maru
|
|
|
|
425
|
Akishimo
|
|
|
|
N° 431-440
N° |
Ship |
Improvement |
Upgrade |
Notes
|
431
|
Usugumo
|
|
|
|
432
|
Ariake
|
|
|
|
433
|
Yuugure
|
|
|
|
434
|
Jingei
|
|
|
|
435
|
Chougei
|
|
|
|
436
|
I-47
|
|
|
|
437
|
Kaiboukan No.4
|
|
|
|
438
|
Kaiboukan No.30
|
|
|
|
N° 441-450
N° |
Ship |
Improvement |
Upgrade |
Notes
|
441
|
Matsu
|
|
|
|
442
|
Take
|
|
|
|
443
|
Ume
|
|
|
|
444
|
Momo
|
|
|
|
N° 451-460
N° |
Ship |
Improvement |
Upgrade |
Notes
|
453
|
Scirocco
|
|
|
|
454
|
Washington
|
|
|
|
455
|
Northampton
|
|
|
|
N° 461-470
N° 471-480
N° |
Ship |
Improvement |
Upgrade |
Notes
|
471
|
Makinami
|
|
|
|
474
|
Tamanami
|
|
|
|
475
|
Suzunami
|
|
|
|
477
|
Conte di Cavour
|
|
|
|
N° 481-490
N° |
Ship |
Improvement |
Upgrade |
Notes
|
481
|
I-201
|
|
|
|
482
|
I-203
|
|
|
|
486
|
Hayashio
|
|
|
|
485
|
Victorious
|
|
|
|
N° 491-500
N° |
Ship |
Improvement |
Upgrade |
Notes
|
491
|
Salmon
|
|
|
|
493
|
Scamp
|
|
|
|
495
|
Shounan
|
|
|
|
497
|
Brooklyn
|
|
|
|
498
|
Kaiboukan No.22
|
|
|
|
500
|
Yamashio Maru
|
|
|
|
N° 501-510
N° |
Ship |
Improvement |
Upgrade |
Notes
|
501
|
Javelin
|
|
|
|
504
|
Noumi
|
|
|
|
505
|
Kurahashi
|
|
|
|
N° 511-520
N° |
Ship |
Improvement |
Upgrade |
Notes
|
513
|
Maryland
|
|
|
|
N° 521-530
N° |
Ship |
Improvement |
Upgrade |
Notes
|
521
|
Ukuru
|
|
|
|
522
|
Inagi
|
|
|
|
523
|
Tuscaloosa
|
|
|
|
524
|
Nevada
|
|
|
|
525
|
Langley
|
|
|
|
N° 531-540
N° |
Ship |
Improvement |
Upgrade |
Notes
|
531
|
Ranger
|
|
|
|
533
|
Massachusetts
|
|
|
|
534
|
C.Cappellini UIT-24 / I-503
|
|
|
|
535
|
Jean Bart
|
|
|
|
N° 541-550
N° |
Ship |
Improvement |
Upgrade |
Notes
|
541
|
Heywood L. Edwards
|
|
|
|
543
|
Kumano Maru
|
|
|
|
545
|
No.101 Transport Ship
|
|
|
|
N° 551-560
N° |
Ship |
Improvement |
Upgrade |
Notes
|
553
|
Asahi
|
|
|
|
N° 561-570
N° |
Ship |
Improvement |
Upgrade |
Notes
|
564
|
Shirakumo
|
|
|
|