Improvement Material () is a primary resource used for improvements in Akashi's Improvement Arsenal.
Improvement Materials can be obtained through the following methods:
- Certain quests reward Improvement Materials.
- Some event maps reward Improvement Materials upon clearing.
- Medals () can be exchanged for 4 Improvement Materials each. First Class Medal can be exchanged for 10. Present Box (), Mackerel and Hishimochi () can be exchanged for 1 Improvement Material each.
- The in-game cash shop sells them in a package of 10 Improvement Materials for 700 DMM points.
Possible gain during a month (4 weeks) from repeatable quests and EO maps:
Quests | EO | |||
---|---|---|---|---|
Without F18 and Bw9 | With F18 | With Bw9 | With 1-6 | With |
54 | 82 | 90 | 91 | 115 |
EO maps[]
1-5, 2-5, 3-5, 4-5, 5-5, and 6-5 all reward (4 each). 1-6 rewards (1). Thus, it is possible to obtain 25 from EO maps during a month.
Quest Rewards[]
These are the one-time and repeatable quests that reward (or items that can be exchanged for ).
Quest Type | Quest ID | Quest Name (JP) | Description | Note | |
---|---|---|---|---|---|
Once | A44 | 「西村艦隊」を再編成せよ! | Have Fusou, Yamashiro, Mogami, Shigure, and Michishio in your fleet | 3 | |
A45 | 改修工廠を準備せよ! | Have Akashi as flagship in your fleet | 5 | ||
A49 | 「第二二駆逐隊」を編成せよ! | Have only Satsuki, Fumizuki, Nagatsuki, and 1 more DD in your fleet | 2 | ||
A57 | 新編「第二一戦隊」出撃準備! | Have Nachi Kai Ni, Ashigara Kai Ni, Tama and Kiso in your fleet | 2 | ||
A60 | 「第四航空戦隊」を編成せよ! | Have Ise Kai and Hyuuga Kai in your fleet | 2 | ||
A64 | 「新編成航空戦隊」を編成せよ! | Have 2 CV/CVL, 2 BBV or CAV and 2 DD in your fleet | 2 | ||
A71 | 精鋭!八駆第一小隊! | Have Asashio Kai Ni D and Ooshio Kai Ni in your fleet | 3 | ||
B33 | 「西村艦隊」南方海域へ進出せよ! | Sortie Fusou, Yamashiro, Mogami, Shigure, Michishio, and 1 additional ship to 5-1 and obtain an S-Rank at the boss | 5 | (4) | |
B37 | 「第二一駆逐隊」出撃せよ! | Sortie Hatsuharu, Nenohi, Wakaba, Hatsushimo, and 2 additional ships to 3-1 and obtain an S-Rank at the boss | () | ||
B38 | 「那智戦隊」抜錨せよ! | Sortie Nachi as flagship, Hatsushimo, Kasumi, Ushio, Akebono, and 1 additional ship to 2-2 and obtain an S-Rank at the boss | 2 | ||
B41 | 新編「三川艦隊」ソロモン方面へ! | Sortie Choukai Kai Ni as flagship and any combination of Furutaka, Kako, Aoba, Kinugasa, Yuubari and Tenryuu to 5-1 and obtain an S-Rank at the boss | 3 | ||
B44 | 海上突入部隊、進発せよ! | Sortie Hiei, Kirishima, Nagara, Akatsuki, Ikazuchi and Inazuma to 5-1 and obtain an S-rank at boss node | 2 | ||
B45 | 「第六駆逐隊」対潜哨戒を徹底なのです! | Sortie Akatsuki Kai Ni, Hibiki, Ikazuchi and Inazuma to 1-5 and obtain at least an A-Rank at the boss | 2 | ||
B47 | 「第一水雷戦隊」北方ケ号作戦、再突入! | Sortie Abukuma Kai Ni as flagship, Hibiki, Yuugumo, Naganami, Akigumo and Shimakaze to 3-2 and obtain an S-Rank at the boss | 4 | ||
B49 | 「空母機動部隊」北方海域に進出せよ! | Sortie a fleet with CV flagship to 3-5 and obtain an S-Rank at the boss | 3 | ||
B51 | 新編「第二一戦隊」北方へ出撃せよ! | Sortie Nachi Kai Ni, Ashigara Kai Ni, Tama, Kiso, and up to 2 additional ships to 2-2 and obtain an S-rank at the boss | () | ||
B52 | 「第十六戦隊(第一次)」出撃せよ! | Sortie Ashigara as flagship, Kuma, Nagara, and up to 3 additional ships to 2-2 and obtain an S-Rank at the boss | () | ||
B56 | 新編成航空戦隊、北方へ進出せよ! | Sortie 2 CV/CVL, 2 BBV or CAV and 2 DD to 3-3 and score an S-rank victory at the boss | 2 | ||
B57 | 「礼号作戦」実施せよ! | Sortie Kasumi as flagship, Ashigara, Ooyodo, Asashimo, Kiyoshimo and up to one additional ship to 2-5 and score an S-rank victory at the boss | 3 | () | |
B59 | 旗艦「霞」出撃!敵艦隊を撃滅せよ! | Sortie a fleet with Kasumi Kai Ni as flagship, 2 DD and up to 3 additional ships to 2-5 and score an S rank victory at the boss | 3 | ||
B60 | 「第三十一戦隊」出撃せよ! | Sortie Isuzu Kai Ni as flagship, Satsuki Kai Ni, Uzuki Kai and up to 3 additional ships to 1-6 and reach the end node | 3 | () | |
B62 | 強襲上陸作戦用戦力を増強せよ! | Sortie to 6-3 and obtain at least a B-Rank at the boss | 3 | ||
B63 | 製油所地帯を防衛せよ! | Sortie 1 CL and 5 DD to 1-3 and obtain 3 S-Ranks at the boss | (4) | ||
B65 | オリョール海の制海権を確保せよ! | Sortie Ooshio as flagship to 2-3 and obtain 6 S-Ranks at the boss | (4) | ||
B66 | 旗艦「大潮」出撃せよ! | Sortie Ooshio Kai Ni as flagship to 3-5 and obtain an S-Rank at the boss | 3 | ||
B68 | 強行高速輸送部隊、出撃せよ! | Sortie Sendai Kai Ni, Kawakaze Kai Ni, Shigure Kai Ni, 2 DD and one wildcard to 4-1 and obtain at least an A-Rank at the boss | 2 | ||
B69 | 「第一航空戦隊」西へ! | Sortie Akagi as flagship, Kaga and up to four wildcards to 4-5 and obtain an S-Rank at the boss | 3 | ||
B72 | 「第三十一戦隊」敵潜を制圧せよ! | Sortie Isuzu Kai Ni as flagship, Satsuki Kai Ni, Uzuki Kai, and three wildcards to 1-6 and reach the goal point twice | 2 | ||
B74 | 精鋭「八駆第一小隊」対潜哨戒! | Sortie a fleet that includes Asashio Kai Ni D and Ooshio Kai Ni to 1-5 and score two S-rank at the boss | 4 | ||
B79 | 「第十九駆逐隊」敵主力に突入せよ! | Sortie Isonami, Uranami, Ayanami, Shikinami, and up to two wildcards to 2-5 and score at least an A-rank at the boss | 4 | ||
B86 | 輸送作戦を成功させ、帰還せよ! | Sortie Kinu Kai Ni as flagship, Uranami Kai, 3 DD and up to one non-DD wildcard to 2-2 and obtain an S-rank at the boss | 5 | ||
C6 | 演習を強化、艦隊の練度向上に努めよ! | Get 4 victories in PvP within the same day | 1 | ||
C7 | 北方再突入に備え、練度向上に努めよ! | Get 4 victories in PvP within the same day | 1 | ||
D18 | 観艦式を敢行せよ! | Complete Expedition 8 | 1 | ||
D19 | 機動部隊の運用を強化せよ! | Complete Expeditions 35 and 26 | 2 | ||
F17 | はじめての「装備改修」! | Do equipment modernization 1 time | 7 | Consumes | |
F36 | はじめての「装備改修」! | Set Shimakaze as secretary and equip her with a ★max 61cm Quintuple (Oxygen) Torpedo Mount and a ★max 61cm Triple (Oxygen) Torpedo Mount. ※ Consumes 2 medals ※ Consumes the equipment |
6 | ||
Total | 111 | ||||
Daily | F18 | 装備の改修強化 | Do equipment modernization 1 time (failure is OK) | 1 | Consumes |
Weekly | Bw5 | 海上護衛戦 | Sink 15 submarines | 1 | |
Bw7 | 敵北方艦隊主力を撃滅せよ! | Defeat 5 bosses in the Northern Sea (3-3, 3-4, or 3-5) | 3 | ||
Bw9 | 南方海域珊瑚諸島沖の制空権を握れ! | Sortie to 5-2 and obtain an S-rank at the boss 2 times | 2 | ||
Bw10 | 海上輸送路の安全確保に努めよ! | Sortie to 1-5 and obtain at least an A-rank at the boss 3 times | 3 | ||
C4 | 大規模演習 | Get 20 victories in PvP within the same week | 1 | ||
D11 | 南方への鼠輸送を継続実施せよ! | Complete Expedition 37 or 38 a total of 7 times in a week | 1 | ||
F34 | 對空機銃量產 | Scrap 6 pieces of Anti-Air Guns | 1 |
Requires F18 which cconsumes | |
Monthly | Bm3 | 「水雷戦隊」南西へ! | Sortie 1-3 CL, one as flagship, and 3-5 DD to 1-4 and obtain an S-Rank at the boss | 3 | |
Bm4 | 「水上打撃部隊」南方へ! | Sortie 3 BB/BBV, 1 CL, and 2 additional ships to 5-1 and obtain an S-Rank at the boss | 4 | ||
Bm5 | 海上護衛強化月間 | Sortie to 1-5 and obtain at least an A-Rank at the boss 10 times | 3 | ||
Bm6 | 「空母機動部隊」西へ! | Sortie 2 CVL/CV/CVB, 2 DD, and 2 additional ships to 4-2 and obtain an S-Rank at the boss | 2 | ||
Bm7 | 「水上反撃部隊」突入せよ! | Sortie 4 DD, one as flagship, 1 CA and 1 CL to 2-5 and obtain an S-Rank at the boss | 2 | ||
Bm8 | 兵站線確保!海上警備を強化実施せよ! | Sortie a fleet with a Light Cruiser/Light Aircraft Carrier, 3 Destroyers/Coastal Defense Ships, and up to 2 additional ships to Worlds 1-2, 1-3, 1-4 and 2-1. Obtain a S-rank at each boss node. | 2 | ||
Quarterly | Bq1 | 沖ノ島海域迎撃戦 | Sortie a fleet to World 2-4. Obtain a S-rank at the boss node twice. | 5 | |
Bq2 | 戦果拡張任務! 「Z作戦」前段作戦 | Sortie a fleet to Worlds 2-4, 6-1, 6-3, and 6-4. Obtain an A-rank (or higher) at the boss node of 2-4, 6-1, and 6-3. Obtain a S-rank at the boss node of 6-4. | 4 | ||
Bq4 | 前線の航空偵察を実施せよ! | Sortie a fleet with 1 Seaplane Tender, 2 Light Cruisers, and 3 additional ships to World 6-3. Obtain an A-rank (or higher) at the boss node twice. | 4 | ||
Bq5 | 北方海域警備を実施せよ! | Sortie a fleet with 1 Light Cruiser and up to 5 additional ships to Worlds 3-1, 3-2, and 3-3. Obtain an A-rank (or higher) at each boss node. | (4) | ||
Bq7 | 新編成「三川艦隊」、鉄底海峡に突入せよ! | Sortie a fleet with 4 of Choukai, Aoba, Kinugasa, Kako, Furutaka, Tenryuu, and Yuubari and 2 additional ships to Worlds 5-1, 5-3, and 5-4. Obtain a S-rank at each boss node. | 5 | ||
Bq10 | 戦果拡張任務!「Z作戦」後段作戦 | Sortie a fleet to Worlds 7-2, 5-5, 6-2, and 6-5. Obtain a S-rank at the boss node of 5-5, 6-2, and 6-5. Obtain a S-rank at the second boss node of 7-2. | 4 | ||
Bq11 | 南西諸島方面「海上警備行動」発令! | Sortie a fleet with 1 Light Aircraft Carrier/Light Cruiser, 3 or more Destroyers/Coastal Defense Ships and up to 2 additional ships to Worlds 1-4, 2-1, 2-2, and 2-3. Obtain a S-rank(?) at each boss node. | 2 | ||
Bq12 | 発令!「西方海域作戦」 | Sortie a fleet to Worlds 4-1, 4-2, 4-3, 4-4, and 4-5. Obtain a S-rank(?) at each boss node. | (4) | ||
Bq13 | 拡張「六水戦」、最前線へ! | Sortie a fleet with Yuubari Kai Ni/Yuubari Kai Ni Toku/Yuubari Kai Ni D as flagship and one of the following two configurations: EITHER 2 of Yayoi, Mutsuki, Kisaragi, Mochizuki, Uzuki, Kikuzuki and up to 3 additional ships, OR Yura Kai Ni and up to 4 additional ships, to Worlds 5-1, 5-4, 6-4, and 6-5. Obtain a S-rank at each boss node. |
(4) | ||
C38 | 「十八駆」演習! | Use a fleet with Kagerou, Shiranui, Kasumi, Arare, and up to 2 additional ships to obtain a S-rank in Exercises (PvP) 3 times within the same day. | 3 | ||
D26 | 近海に侵入する敵潜を制圧せよ! | Complete Expedition 4, A2, and A3 twice each. | 3 | ||
F55 | 新型艤装の継続研究 | Prepare 18000 Steel in your inventory. Scrap 10 heavy guns. | (4) | ||
F67 | 運用装備の統合整備 | Prepare 800 Bauxite in your inventory. Scrap 6 fighters and 4 anti-air guns. | 4 | ||
Yearly | By1 | 精鋭「十九駆」、躍り出る! | Sortie a fleet with Ayanami Kai Ni, Shikinami Kai Ni, and up to 4 additional ships to Worlds 2-5, 3-4, 4-5, and 5-3. Obtain a S-rank(?) at each boss node. | 4 | |
By2 | 「海防艦」、海を護る! | Sortie a fleet with 3 Coastal Defense Ships and up to 2 additional ships to Worlds 1-1, 1-2, 1-3, 1-5, and 1-6. Obtain a S-rank(?) at the boss node of 1-1, 1-2, 1-3, and 1-5 once. Reach the anchor node N of 1-6 once. | (4) | ||
By4 | 重巡戦隊、西へ! | Sortie a fleet with 3 Heavy Cruisers, 1 Destroyer, and up to 2 additional ships to Worlds 4-1, 4-2, 4-3, and 4-4. Obtain a A-rank (or higher) at each boss node once. | 4 |
Repeatable Quests[]
The following are repeatable quests that reward (nesting used to show quest dependencies). Up to ~80-90 can be obtained during a month.
- Weekly 1: Launch your fleet 36 times, encounter 24 bosses, defeat (B+ Rank) 12 bosses, and get 6 S-Rank victories.
Requires: Daily 1 and Daily 2.
Note: 1-1 sparkling runs for expedition ships; any other sorties.- Weekly 4: Sink 50 Transport Ships.
Note: 2-2 with 3 CLT + Abukuma Kai Ni (torpedo setup) + SS + wildcard (DD/CA/BB) (no carriers, can be optimized with Lv1 BB/CA); 2-3 with SS; 5-3 node P leveling; 5-4 runs.- Weekly 10 (3): Sortie to 1-5 and get at least an A-rank at the boss 3 times.
Note: 3 OASW capable ships (DD/CL/CT) + Lv1 CVL (unequipped or with standard ASW gear, can be used twice), can be optimized with 2 more Lv1 ships (12/12 sortie cost for Satsuki Kai Ni with 3 Lv1 ships). - Monthly 3 (3): Sortie 1-3 CL, one as the flagship, and 3-5 DD to 1-4 and obtain an S-Rank at the boss.
- Monthly 6 (2): Sortie 2 CV/CVL, 2 DD, and 2 additional ships to 4-2 and obtain an S-Rank at the boss.
- Weekly 10 (3): Sortie to 1-5 and get at least an A-rank at the boss 3 times.
- Weekly 4: Sink 50 Transport Ships.
- Weekly 2: Sink 20 CV/CVL.
Requires: Daily 5.
Note: 2-3 with SS; 5-4 runs. Together with Weekly 3 (20 Transport Ships).- Weekly 5 (): Sink 15 Submarines.
Note: same as Weekly 10. - Weekly 6: Defeat 12 bosses in World 4.
- Weekly 5 (): Sink 15 Submarines.
- Monthly 1: Sortie Myoukou, Nachi, Haguro, and 3 additional ships to 2-5 and obtain an S-Rank at the boss.
- Monthly 4 (4): Sortie 3 Slow BB, 1 CL, and 2 additional ships to 5-1 and obtain an S-Rank at the boss.
Note Only slow BBs of the Nagato
, Ise
, Fusou
and Yamato
classes are allowed for this quest.
- C4 (Weekly Exercise) (): Get 20 victories in PvP within the same week.
Requires: C2 (Daily Exercise) - D11 (Weekly Expedition) (): Complete Expedition 37 or 38 a total of 7 times in a week.
Requires: D9 (Weekly Expedition) - F18 (Daily Modernization) ( - spent): Do equipment modernization 1 time.
Requires: F5 (Daily Development) → F6 (Daily Construction) → F7 (Daily Development) → F8 (Daily Construction) - F34 (Weekly AA Guns Scrapping) (): Scrap 6 pieces of Anti-Air Guns.
Requires: F18 (Daily Modernization) ( - spent) → F34 (Weekly AA Guns Scrapping) ()
[]
See Also[]
- Reddit flowchart
- Related Wikia blog posts: