World 2

Tips

 * This is a good place to finish Bw2 (20 CV/CVL) since all end nodes consist of 2-3 CV/CVL in every enemy's fleet composition allowing you to finish it in at most 10 runs while possibly finishing your Bd7 (5 Bosses) along the way.

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Stage Guide

 * 70% chance Node E to F (Boss Node) if fleet contains one or more of the following: CV, CVL, or AV.
 * 70% chance Node E to G (Transport Node) otherwise.
 * Armored Carriers like Taihou, Shoukaku Kai Ni A and Zuikaku Kai ni A don't count as regular or light carriers for the specific E to F routing, which is one of the few rare exceptions in-game.

Tips
A perfect place for low level HQ Admiral to catch some BB class; just make sure you have at least 2 CV(L) loaded with torpedo and fighter Aircraft. The fastest route & easy way to clear quest:

Easy boss node just fill 1 FBB and 5CV(L)
 * Daily: Bd5, Bd6, Bd7
 * Weekly: Bw3, Bw4

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Stage Guide

 * 70% chance for Node C to D if fleet contains CV(L) or AV; otherwise, it's random.
 * 70% chance for Node E to G (Boss node) if fleet contains AV; otherwise, it's random.
 * 70% chance for Node I to J if fleet contains CL; otherwise, it's random.
 * Conclusion for chance to go to boss node:
 * 37.5% chance if fleet doesn't contain CV(L) or AV
 * 42.5% chance if fleet contains CV(L)
 * 59.5% chance if fleet contains AV

Tips
After leveling submarines to about level 20 and upgrading them to 4-5 stars, you can use them to grind 2-3 for some Daily and Weekly quests while picking up resources. (A tactic most admirals call "Orel Cruising".)

1. A fleet which contains at least 3 submarines is recommended. The more submarines you use, the easier the map will be.

2. Submarines with high luck should be placed at the bottom of the fleet list to increase their chance of performing cut-in attacks on the stronger enemies during night battles. Doing this can help you achieve an A or S rank victory, especially if you have to fight the enemy fleet located at node G.

3. Submarines should be fully modernized (at least fully upgraded torpedo attack and armor) and non-remodeled because non-remodeled submarines have shorter repair time and consume very few resources when resupply (especially ammo). Please note that compared to a non-remodeled submarine, '''a remodeled sub will take twice the amount of time to repair. [ SSV requires twice amount of time to repair than SS* ]'''

* This does not include I-168 or U-511/Ro-500 as they do not remodel into SSVs. However, their increased health means a longer repair time should they take more damage.

4. This method does not guarantee victory every time, especially if you hit the boss node and have an unlucky run.

Trivia
Quests B14 OR B19 AND B17 can be done at the same time. 1 boss for 2 quests. you can mix B20 with B17, however it is not recommended due to the lack of firepower.

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Tips

 * 1) A fleet with CVL is more likely to go to node K.
 * 2) If you are aiming for the boss node and end up going down the A-B route on 2-4, just end the sortie. You will run out of fuel and ammo by the time you get to boss node. For highest EXP gain, end the sortie around the G-H/-I node.
 * 3) A-F route will guarantee you a boss fight and take only 3 fight before boss node because node G will always be avoid battle node if your fleet comes from node F.
 * 4) A more conventional way to finish 2-4 is using 「BBx4 CVx2」or「BBx3 CVx3」. (BBs are stronger; Modernizing/Leveling them is highly recommended). 「BBx2 CVx4」 may be slightly cheaper for high-level fleets with strong fighters and bombers.
 * 5) It is strongly recommended to make use of the Artillery spotting and Night Combat mechanics to deal higher damage.
 * 6) Subs can be a cheap way to clear the map, but will require a lot of patience. This generally involves trying over and over so you can avoid the highly dangerous line abreast formations and get to the boss node. It is possible to clear 2-4 with a single moderately leveled, maxed armor sub. Consider farming 1-5 if you are in need of subs.

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==World 2-5 【Extra Operation】 沖ノ島沖 Okinoshima Sea==

Stage Guide

 * Medium sized ships=CA/CAV/CVL
 * Small sized ships=DD,CL?CLT?

Tips
 * You are required to SINK the flagship at boss node 4 times to clear the map.
 * A certain amount of eLoS is required to reach the boss node:
 * Below 31 (using the new formula 33; 57.2 for 2-5 fall formula) will not go H to L
 * 33 or more (using formula 33; at least 70.4 for 2-5 fall formula) guarantees H to L
 * There are 3 routes to the boss node:
 * North route, 3 battles (A-D-H-L)
 * South route I, 3 battles (B-E-H-L)
 * South route II, 4 battles (B-E-I-L)
 * North route, 3 battles (A-D-H-L):
 * Only two battles before the boss node. The second node is a night battle node
 * Recommended fleet composition: 2CAV 3CA(V) 1CLT
 * No BB(V) or CV(L) are allowed for this quest composition
 * Two ships need to be equipped with a Drum Canister in order to guarantee node A; otherwise, you risk being diverted to B.
 * It's possible to bring 0-2 CLT
 * Zero makes the first node more dangerous because it's more likely for an enemy to survive until the torpedo phase. On the other hand, a high level (Kai ni) CA or Prinz Eugen Kai are more sturdy and less likely to get one-shot to heavy "red" damage.
 * Two makes achieving the necessary ELoS to reach the boss more difficult; but it is feasible, especially at lower HQ levels
 * North route (including boss node) doesn't have any enemy carriers, so it's possible to get AS+ with just seaplane bombers, enabling Artillery Spotting
 * Double attack setups (both day and night) are recommended for consistency
 * Consider bringing Star Shells, Searchlights and/or Type 98 Recon Seaplanes (Night Scout) to make the night battle and boss node easier.
 * (For quest BM1) 3CA (Haguro, Myoukou, Nachi), 2 CAV (Needed for branching. Equip Zuiuns for easy air superiority), 1 CLT
 * One CAV can be swapped out for another CLT, but you risk being diverted to B node in exchange for another powerful opening strike to survive node A.
 * Alternatively, carry at least two drum cans on the CAVs (one on each) to ensure branching to A node, with the Zuiun on the largest plane slot
 * (For quest BM7) 4DD (as flagship), 1CL, 1CA (No aviation cruisers)
 * Because of the line of sight requirements of H to boss node, having the necessary equipment means that all destroyers will have to be outfitted with a radar and will not have any night battle equipment (stack as many radars on DDs as required to reach the required 70.4 LOS), and that the CA will have to have two seaplanes to gain enough LOS. In most cases, the CL will also need to have two seaplanes equipped to bring the fleet up to the required LOS. Four-slot CLs such as Ooyodo are especially useful for this as you do not sacrifice double attacks at night
 * Yuubari can be used as a substitute for Ooyodo, but be mindful of her lower armor and evasion, as well as lower base LoS.
 * It is possible to use Abukuma Kai Ni if you use 1 Kohyouteki + 2 Seaplanes as you will give up the night DA but still have the opening torpedo.
 * Here is an example (Abukuma Kai Ni + 1CA + 4DDs with one as flagship)
 * South route I, 3 battles (B-E-H-L):
 * Only two battles before the boss node
 * Recommended fleet compositions: 2CA/CAV 2DD 2CVL; 2CA/CAV 2DD 1CLT 1CVL; 3CVL 1CL 2DD
 * No BB(V) or CV allowed
 * 2 CA/CAV 2 DD are needed to secure this route
 * Use either 2 CA or 2 CAV.  Mixing CA/CAV can lead to I instead of H
 * This route has enemy carriers and BBs, which can easily damage low-armor ships like DDs, so bringing high-level ones is recommended
 * South route II, 4 battles (B-E-I-L):
 * Three battles before the boss node
 * Recommended fleet compositions: 4FBB 2CV; 1(F)BB(V) 3CA(V) 2CV; 1FBB 1BB 3CA 1 CVL; 6CVL
 * Heavy fleets like these can go to node F, a dead end [20%]
 * There seems to be certain factors that might reduce the chance to go to the dead end:
 * Using as few BB(V) or CV as possible
 * Using BBV instead of BB
 * Using CAV instead of CA
 * The compo is recommended to players with their ship level below 50 as it would cause fewer retreat than other compo despite being more expensive.
 * 6CVLs may be the best fleet, since it has a very strong opening, it is unlikely to get heavily damaged and can sink at least half of the enemy fleet before the Shelling Phase; however, it can lead to node F and requires a lot of good Bombers (e.g., Ryuusei Kai). Also, make sure you have enough LOS to reach the boss node. It is recommended to use Torpedo Bombers, 1 Carrier-based Reconnaissance Aircraft (Yellow plane), and enough Fighters planes to get at least AS at node I (Here is a video demonstration). Also, it may go through B-E-H-L while evading node I


 * 1 BB(V) 1 BB 1 (F)BB 2 CA 1 CV also have a chance to go to boss node (tested) ~
 * Summary:
 * North route, 3 battles (A-D-H-L):
 * (+) low resource consumption & repair costs
 * (+) hardly any bauxite lost
 * (-) fairly difficult night battle node
 * (-) high-level CA(V)s needed to deal with the boss node
 * South route I, 3 battles (B-E-H-L):
 * (+) low resource consumption & repair costs
 * (+) no night battle node
 * (-) 2 DD are needed due to branching rules; enemy BBs can damage them easily
 * (-) high-level ships are needed to deal with normal nodes and the boss
 * South route II, 4 battles (B-E-I-L):
 * (+) strong fleet with low chance of forced retreat due to heavy damage
 * (+) no night battle node
 * (-) has a high chance of dead-end
 * (-) high resource consumption & repair costs

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Note
Akashi will drop with a small chance in 2-5 only for Admirals who do not currently own her. So, if you already have had her but sunk/scrapped/used her in modernization, she will drop in this map again.

Trivia

 * The LoS value required to have 100% chance of going to the boss was 38 in F33 or 70.4 in 2-5 Fall formula before Bm7's implementation in December 2014, but is reduced to 33 in F33 after the implementation.