World 1

World 1-1: 鎮守府正面海域 Sea in Front of the Naval Base

Tip

• This map is used for flagship-sparkling.
  • This entails running the ship you want sparkled in the flagship position. Sometimes this is done alone, which minimizes MVP-theft (a rare problem); however, more commonly two "trash" vessels (destroyers picked up from 1-1 while you are sparkling) are placed in the second and third slots to minimize the chances of enemy vessels scratching your flagship. They are not refueled, and are scrapped or used as modernization fodder once they can no longer be deployed.
• The short length, harmless enemies, and 50% boss encounter rate make this map ideal for completing Bw1.
  • You are recommended to sparkle ships while completing this.

Nodes and Enemy Encounters

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Area	Pattern	Encountered vessels	Form
A 敵偵察艦	Pattern 1
	Pattern 2
	Pattern 3
B 敵はぐれ艦隊	Pattern 1
	Pattern 2
	Pattern 3
C 敵主力艦隊	Pattern 1
	Pattern 2
	Pattern 3
	Pattern 4

Drops

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World 1-2: 南西諸島沖 Sea around the Nansei Islands

Nodes and Enemy Encounters

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Area	Pattern	Encountered vessels	Formation
A 敵前衛艦隊	Pattern 1
	Pattern 2
	Pattern 3
B 敵主力部隊	Pattern 1
	Pattern 2
	Pattern 3
C	+ 10 15 20
D 敵前衛艦隊	Pattern 1		N/A
	Pattern 2
	Pattern 3

Drops

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World 1-3: 製油所地帯沿岸 Coastal Refinery Zone

Stage Guide

The route from D to C is one-way only (you can not move from C to D). All compass spins in this stage are random. Keep trying if you're getting detoured to the maelstrom. Do note that F has heavy cruisers and the boss node has a battleship.

Nodes and Enemy Encounters

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Area	Pattern	Encountered vessels	Formation
A 敵前衛艦隊	Pattern 1
	Pattern 2
	Pattern 3
B	Maelstrom: -8 -10 -14 -15 -20
C	+ 10 15 30
D	+ 10 15 25 30
E 敵前衛艦隊	Pattern 1
	Pattern 2
F 敵支援艦隊	Pattern 1
	Pattern 2
	Pattern 3
G 敵主力艦隊	Pattern 1

Drops

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World 1-4: 南西諸島防衛線 Nansei Islands Defense Line

Stage Guide

This is the first map in which the enemy fleets possess carriers (with at least one node of carriers in every route); if you do not bring your own carriers, your ships must deal with aerial bombing prior to being able to counter-attack during the shelling phase(s). You have a few ways to deal with enemy carriers:

1. Ignore the enemy carriers' bombing, which is possible with durable ships (at least CLs, preferably CAs or higher);
2. Bring a submarine-only fleet (likely from construction as there are no submarine drops between 1-1 and 1-4) as only enemy CL and DDs can attack submarines; or
3. Bring your own carriers, which can be obtained through either remodeling Chitose and/or Chiyoda at Level 15 or construction.

The third method will also help in completing the quest chain which rewards Akagi: A11 (have a CV(L) and 3 destroyers in your second fleet) and B10 (sink an enemy carrier).

Tips

• This map is convenient for completing Bw2, preferably with a fleet of three subs. The diamond formations here hurt them far less than those in 2-2.

Nodes and Enemy Encounters

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Area	#	Encountered vessels	Form	Air
A 敵偵察艦隊	1
	2
	3
	4
B 敵偵察艦隊	1
	2
	3
C	+ 10 15 20
D	+ 10 15 20
E 敵前衛艦隊	1
				AS+ 48
				AS 24
	2
				AS+ 48
				AS 24
F 敵機動部隊	1
				AS+ 54
				AS 27
	2
				AS+ 60
				AS 30
G	+ 10 15 20
H	+ 10 15 20
I 敵前衛艦隊	1
				AS+ 48
				AS 24
	2
				AS+ 48
				AS 24
J 敵支援艦隊	1
	2

Drops

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World 1-5: 【Extra Operation】 鎮守府近海 Adjacent seas of the naval base

Stage Guide

This is a complete submarine map, unless your fleet composition is wrong and you go off-course. Considering the experience you can achieve per sortie *~1500 exp) and compared to the consumption (8-9 bars), this map can be a suitable place to level up your DDs and CLs for low level admirals. Since the composition of most of the early formations are very small (less than 3), this is a very good place to have the Quests Bd1, Bd2, Bd3, Bd8, and Bw5 completed with barely a scratch to ships.

• To reach the boss, a fleet of no more than 4 ships is required.

• Having exactly 1 CVL/CAV/AV/LHA prevents you from being sent to node G from E, 50-50 otherwise. 
• Having more than 2 CL or a normal BB or having more than 4 ships will send you from C to F (enemy carrier).
• Having a SS might send you from C to F
• Nodes F and G consist of very strong enemies, even after being adjusted to your admiral level. Make sure you satisfy the fleet requirements above and have at least 1 DD or 1 CL in order to reach the boss safely.

• Being sent to node D requires more than 4 ships, as yet no D -> I (boss) route is known. UPDATE: If you lose enough ships at D to then have 4 ships or less you can go from D -> I

• At least 1 BBV is highly recommended as it can equip seaplanes to hit subs while allowing you to enter the 2nd shelling phase.

• Clearing this map gives you bonus medals and a boost to your admiral points for ranking purposes. At the beginning of each month, the boss HP bar will be reset, thus allowing you to obtain the medal and bonus points again. (If the month has reset and the boss bar didn't regen for you, get a new API link.)

• The enemies on the map is scaled to your admiral level, which means that the enemy may rank up when you hit a certain admiral level.  Nodes power up at levels 40 and 80.
• 1 CVL, 1 BBV, 2 DD/CL is the recommended compostion with a 100% chance to reach the boss.

Nodes and Enemy Encounters

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Area	Admiral Level	#	Encountered vessels	Form
A 敵偵察潜水艦	79 and below	1
	80 and above	2
B 敵潜水艦隊A群	39 and below	1
	40 to 79	2
		3
	80 and above	4
C 敵潜水艦隊C群	39 and below	1
	40 to 79	2
	80 and above	3
D 敵潜水艦隊B群	Level 49	1
	Level 99	2
E	"Must be my imagination" (battle avoided)
F 敵侵攻打撃艦隊A群		1
		2
G 敵侵攻打撃艦隊B群		1
		2
		3
H	"Must be my imagination" (battle avoided)
I 敵通商破壊主力艦隊	39 and below	1
	40 to 79	2
	80 and above	3

Drops

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Node	Destroyers	Light Cruisers	Heavy Cruisers	Seaplane Tender	Aircraft Carrier	Submarine
A	Kisaragi, Sazanami, Hatsuyuki, Samidare, Arare, Nagatsuki, Miyuki, Murakumo, Shigure, Mochizuki, Shikinami, Hatsushimo, Yuudachi, Ooshio, Ushio, Ikazuchi, Hibiki, Inazuma, Murasame, Kikuzuki, Mikazuki, Nagatsuki, Shiranui, Akebono, Satsuki, Isonami, Nenohi, Shirayuki, Arashio, Kasumi	Naka, Isuzu		Chitose, Chiyoda
B	Shiranui, Kuroshio, Yuudachi, Shigure, Miyuki, Kikuzuki, Fumizuki, Akebono, Hatsuyuki, Isonami, Hibiki, Samidare, Oboro, Michishio, Wakaba, Shikinami, Arare, Sazanami, Mochizuki, Ooshio, Kisaragi, Shirayuki, Mikazuki, Nenohi, Arare, Ikazuchi,Murakumo	Natori, Jintsuu, Naka, Kitakami, Isuzu, Yura		Chitose, Chiyoda	Houshou
C	Kisaragi, Mochizuki, Hibiki, Kuroshio, Shiranui, Oboro, Ikazuchi, Isonami, Michishio, Mutsuki, Satsuki, Mikazuki, Nagatsuki, Arashio, Nenohi, Sazanami, Murasame, Hatsushimo, Kuroshio, Kikuzuki, Akebono, Shirayuki, Shigure, Ushio, Nenohi, Hatsushimo, Ooshio, Shikinami, Murakumo, Kasumi, Yayoi	Kiso, Jintsuu, Kitakami, Isuzu, Naka, Yura, Natori		Chitose, Chiyoda	Houshou	I-19, I-58, I-168, I-8
D	Inazuma, Akebono, Wakaba, Kuroshio, Satsuki, Hatsuyuki, Shigure, Arare, Samidare	Naka, Kitakami, Jintsuu		Chitose	Houshou	I-58, I-168, I-19
F	Ikazuchi, Shigure, Hibiki, Kisaragi, Mochizuki			Chitose		I-58
G					Houshou
I Boss Node	Akatsuki, Oboro, Kikuzuki, Ayanami, Sazanami, Arashio, Kisaragi, Fubuki, Hatsuyuki, Miyuki, Shiranui, Shiratsuyu, Ushio, Samidare, Suzukaze, Murasame, Murakumo, Mochizuki, Nagatsuki, Asashio, Shigure, Isonami, Fumizuki, Mikazuki, Shirayuki, Shikinami, Kuroshio	Natori, Isuzu, Nagara, Yura, Sendai, Naka, Jintsuu, Kuma, Tama, Kiso	Kinugasa, Aoba, Kako, Furutaka		Houshou, Junyou, Hiyou, Ryuujou	I-19, I-58, I-168, I-8

World 1-6: 【Extra Operation】 鎮守府近海航路 Sea Route Near Naval Base

Stage Guide

Branching Rules
Nodes		Rules
Starts with	A	A fleet that contains a BBV, a CA, a CVL or 2 CAV(?) starts with C. Less than or equal to 3DD will take you to C. Start with A otherwise.
	C
G	F	1 CL, Akitsumaru, and/or Katori plus DDs will take you to F. Having 6 DD or 4 DD + 2 CL or 4 DD + 1 CL + 1 CAV/AV gives a 50/50 chance of going to either F or K. Less than or equal to 3DD will take you to K.
	K
M	J	LoS check ?
	L

• Reaching node N 7 times clears the map.
• Clearing this map rewards you with 1 Present Box & 75 ranking points. No medal.
• The following ship types are not allowed on this map: (F)BB, CV, CLT, SS(V)
• Double-arrow nodes (D, F, L) are Carrier Task Force battle nodes like those in the Summer 2014 Event. On those nodes two Aerial Combat phases occur and nothing else.
• You may bring: BBV, CA(V), CVL, AV, CL, DD, Akitsumaru, Katori, Akashi, and Taigei.
• There is no Boss Battle in this map. Instead you will receive a random amount of resources of either Fuel, Ammo, Steel, or Bauxite at the Boss Node (Technically it is not a Boss Node and instead a Huge Resource Node).
  • Because Node N, the node after node B and D is the Ending Huge Resource Node, you may advance to the node with a Heavy Damaged Ship after defeating the enemy fleet in node B or D, as you won't be facing any enemies in node N.
• Using 3 CL 3 DD or 4 CL 2 DD will take you to node C.
• Using BBV, CA, CVL will take you to node C or K, which will take you to a route where there are very difficult enemies such as Flagship Wo-class, Flagship Ru-class waiting for you. Line Ahead Submarines also exist.
  NOT RECOMMENDED TO USE BBV, CA, CVL AT ALL.
• Node A is empty node. No Battle.
• Node E is Submarine Node with Echelon formation. Because this node is so minor in nature, bringing Anti-Submarine equipments is not required.
• Node F is a 2-Aerial Phase + No-Shelling Phase node. You must survive the two Aerial Bombing by the enemy CV/CVL.
  • Having Anti-Air Cut-In equipments on your ships is highly recommended to survive node F.
  • You may choose to end the battle in node F after the 2-Aerial phase but this will result in Rank D Loss. You may choose to go into Night Battle but beware this is risky as the enemy could wreck you as it is 6 vs 6, and this costs more Ammo.
  • You can bring either 2 AV or Akitsu Maru + CAV to have a chance at getting a B rank on Node F.
• Clearing this Map by totally emptying the Resource Bar on the right will reward you with 1000 fuel and a Present Box.
  • If you reach Node N again after clearing the map, you will only be rewarded with either 50, 70 or 100 fuel, ammo, steel or bauxite until the bar is reset on the 1st day of a new month.

Tips

• Node E is a good place for players above Level 80 HQ to complete Bd8 (Sink 6 Submarines) and Bw5 (Sink 15 Submarines).

Recommended Fleet Compositions:

• A - E - G - F - B - N (Huge Resource Node)
  • 6 DD (Has chance to go Node G to K.)
  • 1 CL + 5 DD (Most likely to go Node G to F)
  • 2 CL + 4 DD (Has chance to go Node G to K)
  • Akitsu Maru + CAV + 4 DD (Has a chance to go Node G to K. Advantage is that you can get a B rank on the air battle at Node F.)
  • 2 AV + 4 DD (Also possible to get B-win at node F)

Nodes and Enemy Encounters

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Area	#	Base EXP	Encountered vessels	Form	Air
A	"Must be my imagination" (battle avoided)
B 任務部隊C群前衛部隊	1	100
	2	120
	3	130
	4	140
					AS+ 72
					AS 36
	5	150
C 通商破壊潜水艦隊II群	1	20
	2	20
	3	30
	4	30
	5	40
	6	50
D 任務部隊A群機動部隊(第二波) Aerial Battle	1	110
					AS+ 144
					AS 72
	2	110
					AS+ 144
					AS 72
	3	120
					AS+ 141
					AS 71
	4	130
					AS+ 213
					AS 107
	5	140
					AS+ 228
					AS 114
	6	150
					AS+ 396
					AS 198
E 通商破壊潜水艦隊III群	1	20
	2	20
	3	30
	4	30
	5	40
	6	50
F 任務部隊C群機動部隊 Aerial Battle	1	50
					AS+ 81
					AS 41
	2	50
					AS+ 144
					AS 72
	3	60
					AS+ 84
					AS 42
	4	60
					AS+ 141
					AS 71
	5	70
					AS+ 108
					AS 54
	6	70
					AS+ 156
					AS 78
	7	70
					AS+ 156
					AS 78
	8	80
					AS+ 165
					AS 83
G	+ ( * 5?) + 20 (Maximum still need to test)
H	"Must be my imagination" (battle avoided)
I 通商破壊潜水艦隊I群	1	20
	2	30
	3	40
J 任務部隊A群機動部隊本隊	1	170
					AS+ 132
					AS 66
	2	200
					AS+ 324
					AS 162
	3	220
					AS+ 300
					AS 150
	4	220
					AS+ 354
					AS 177
K 任務部隊支援水上打撃部隊	1	70		Template:Line Ahead
	2	80
	3	90		Template:Line Ahead
	4	100
	5	110		Template:Line Ahead
L 任務部隊A群機動部隊(第一波) Aerial Battle	1	100
					AS+ 141
					AS 71
	2	100
					AS+ 213
					AS 107
	3	110
					AS+ 228
					AS 144
	4	120
					AS+ 396
					AS 198
	5	120
					AS+ 405
					AS 203
	6	130
					AS+ 576
					AS 288
M	+ 40
N	Before		+ 300, 500, 1000
			+ 300, 500
			+ 300
			+ 100, 200, 300
	After		+ 50, 100
			+ 50, 100
			+ ?
			+ 50

Drops

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Node	Destroyers	Light Cruisers	Heavy Cruisers	Seaplane Tender	Aircraft Carrier	Submarine
B	Kisaragi, Kikuzuki, Hatsuyuki, Nagatsuki, Miyuki, Fumizuki, Mikazuki, Murakumo, Shikinami, Nenohi, Shiranui, Wakaba, Murasame, Yuudachi, Ooshio, Hibiki, Shigure, Samidare, Ushio, Arare, Oboro, Akebono, Sazanami, Kasumi, Hatsushimo, Mochizuki, Hamakaze, Urakaze, Asagumo	Kitakami, Nagara, Isuzu, Yuubari, Tatsuta, Tenryuu, Ooyodo	Tone, Aoba	Chitose, Chiyoda	Jun'you, Houshou
C	Arare, Ooshio
D	Kisaragi, Kikuzuki, Hatsuyuki, Nagatsuki, Miyuki, Fumizuki, Mikazuki, Murakumo, Shikinami, Nenohi, Shiranui, Wakaba, Murasame, Yuudachi, Ooshio, Hibiki, Shigure, Samidare, Ushio, Arare, Oboro, Akebono, Sazanami, Kasumi, Hatsushimo, Mochizuki, Hamakaze, Urakaze, Asagumo	Kitakami, Nagara, Isuzu, Yuubari, Tatsuta, Tenryuu, Ooyodo	Tone, Aoba	Chitose, Chiyoda	Jun'you, Houshou
E	Fumizuki, Akebono, Michishio, Ooshio, Kasumi, Murasame, Nagatsuki, Mochizuki, Kuroshio, Shiranui, Oboro, Sazanami, Yuudachi, Kikuzuki, Hatsushimo, Wakaba, Satsuki, Samidare, Nenohi, Arare, Ushio, Shigure
F
I
J					Houshou
K	Akebono, Miyuki
L