World 4

Stage Guide

 * B, G and H are submarine nodes.
 * 2 or more DD: E -> F. Otherwise random.
 * Take at least one DD or CL equipped with ASW weapons.

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 * Node B drops 20% of your remaining fuel in the fleet without radar (電探).
 * Node C and F are submarines nodes.
 * You will get sent from node A to E if you have two or more Destroyers in your fleet. Otherwise, the compass is random.

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 * D, F and K are submarine nodes with mostly or only submarines.
 * Node G always has a single submarine accompanying the enemy fleet.
 * Boss Node I may have a single submarine. (2 out of 3 possible combinations)
 * Branching rules (according to the Kancolle Wikiwiki):
 * Having 2 or more DDs will always direct you to node A, which has BBs. 1 or less directs you to F or J.
 * Having 2 or more CAs (not CAV) will go from F->G, other compositions will not go from F->G.
 * Having 1 or more CAV/AV will direct you from J->K. Similarly, 1 or more CAV/AV will direct you from B->D.
 * Any other setups will result in random zig-zags.
 * 4-3 is a great place for DD/CL grinding and farming submarine kills, since there are 3 SS nodes (D,F and K):
 * Put your DD/CL as flagship and give her all ASW equipment to ensure that she can get MVP at every SS node. Note: Flagship will not always get MVP due to BB/CVL/CLT in your fleet and varying enemy composition patterns.
 * A fleet with 0-1 DD, and 0-1 CA will almost always let you reach two SS nodes (F->K or F->D).
 * Example fleet compositions:
 * Flagship leveling: 1 DD/CL + 1 BB + 2 CVL + 1 CLT + 1 SS
 * Submarine farming: 1 CV + 1 BB + 1 CLT + 2 CL + 1 DD
 * Variety farming: 1DD + 2CL + 1BB + 1CA +1CVL/CV
 * When starting, you may also get to Node J before moving to Node F. If RNG brings you to Node J, use Line Ahead formation, allowing your BB/CVL/CLT to kill enemy's BB/CAs or disable their CV as soon as possible. Defensive formations are almost useless.
 * When you hit the two SS nodes, use Line Abreast formation to maximize your damage on the enemy submarines. CVL can also help with ASW. Getting MVP in these 2 nodes allow your flagship to stay sparkling all the time, and you can farm non-stop as long as you can provide ship for other positions. End the sortie after the two SS nodes.
 * It is possible to farm the Bauxite node with fleets of at least 2 DD and at least 1 CAV or AV. You will always go A->B->D, but going E or G will be random.

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 * Recommended fleet composition: 2DD/1CAV/2BB/1CV ,  2DD/1CAV/1BB/2CV


 * F and I are Submarine Nodes. Also there is a Submarine in the boss's evolved fleet.
 * 2 DDs are needed to go from node A to node F. 1 CA/CAV is needed to go from Node F to Node G. This is the easiest way to the boss (A-F-G-H)
 * If you don't have a CA or CAV, bringing CV and BB might lead you to Node G from Node I. However, the chances are slim. If you're going from Node F or C to Node G, then at least 1 CA/CAV is mandatory.
 * G to H (boss) or J is random.
 * This will be your first map outside of extra operations where simply defeating the boss node is not enough to 'defeat' the map. You must kill the flagship boss around FOUR times before being allowed to pass. Keep in mind that the boss node changes at 25% of the map health (i.e. after SINKING the boss 3 times), usually to a 'stronger' form.
 * The boss meter does NOT regenerate.
 * To unlock World 5 you need to defeat the boss of World 3 too.

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 * IMPORTANT: 5-1 MUST be cleared in order to unlock this map.
 * Clearing this map gives you 1 medal & 180 ranking points.
 * By selecting the southern path (Node E), you'll only enter 2 battles before the boss, but you will have to endure a Night Battle followed by a battle with the Light Cruiser Demon, Hellcat Wos, And a Flagship Ru Kai.
 * Node F is a Submarine Node.
 * The boss is an Installation Type. It is strongly recommended to equip Type 3 Shells or Wurfgerät 42s on participating ships when applicable.
 * Carriers cannot target the boss if any Dive bombers are equipped. However, this may be preferable as they are forced to attack/sink something else, increasing the chance that your BBs and CAs target the boss instead of another ship.
 * The boss must be completely killed 5 times in order to clear this map.
 * The Boss does not revert to her original form after clearing this map, but will revert back at the start of a new month.

Recommended Compositions:
 * B-C-F-J-M : 2 BB, 1 CV, 3 CA(V) or 1 BB, 2 CV, 3 CA(V)
 * If using 1 CV, it may be necessary to equip all 4 slots with fighters, and/or bring BBVs and CAVs with Zuiuns equipped in order to achieve air superiority at the boss.
 * Bringing a Zuiun-equipped ship will also help with avoiding a loss at submarine Node F.
 * B-C-F-H-M or B-E-H-M : 3 BB, 2 CV, 1 CA or 4BB, 2CV or 5BB, 1CV
 * A more expensive alternative, but provides better chances of killing the boss, especially in its final form.
 * H-node may contain 2 Flagship Ru-Kai battleships. However they are not especially dangerous, due to being in diamond formation.
 * Bringing a Zuiun-equipped ship will help with avoiding a loss at submarine Node F.

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