World 6

Stage Guide

 * A number of subs (3?) is required to reach the boss.
 * There are LoS checks E -> F and F -> K.  They do not have high LoS requirements (SSVs with a couple recon planes will pass), but an all-sub fleet without recon planes will be sent to H.
 * 1 CLT, 1 CL, 1 CV(L), and 3 SS(V) is an effective fleet for taking out the boss but it will have to go through node B where there's a Ru-class BB. Note that this fleet can send you to dead end node H.
 * All all-sub fleet will go A -> C -> D -> E -> F -> K (with sufficient LoS), however node C is pretty harsh on subs with late-model DDs and flagship CLs.
 * Taigei in a sub fleet leads the fleet to node A -> D, avoiding the battle in Node C which can be very helpful. Also, she can be equipped with recon seaplanes for the LoS check thus allowing all your subs to equip torpedoes.
 * Taigei, 2DD, 3SS(V) goes A -> D -> E -> F -> K. DDs can help in reducing the amount of attacks aimed at Taigei (during torpedo phase or against CAs), who has poorer armor and evasion.
 * Pattern 1 on node H has a chance to drop I-401. If you want to farm her there, 1 BB 3 CLT 1 CL 1 CV or 1 CL 3 CLT 2 CV both guarantee B -> D -> E -> H and are good enough to get S Rank.

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Stage Guide
Requires sinking the flagship at the boss node 3 times to deplete the gauge.
 * 1) Routing rules:
 * 2) *B-F-I-K : 1BB/V, 1CV, 2DD, 2CA/CAV or 1BB/V, 1CV, 2DD, 2CLT (unknown LOS check on F-I)
 * 3) *B-F-E-H-K : 2CLT, 2CA/CAV, 2CV or 2CLT, 2CA/CAV, 1CV, 1BB (unknown LOS check on H-K)
 * 4) *A-D-G-K: CAV/CA, 2CL, 3DD (Unknown LOS check on G-K). Strongly recomended to use a CAV with at least a seaplane bomber.
 * 5) *A-B-F-I-K : 3DD, CVL, 1CAV/CA, 1CL
 * 6) It is advisable to take middle route (B-F-E-H-K) for the lowest overall consumption and high chance to kill the boss. Lower route consist of at least 1 flagship Kai ship while upper route will face one whirpool node.
 * 7) There is a LoS check for F -> I.  If you use a B-F-I-K fleet and fail that LoS check it seems you go to H instead.  However H is an easier node than I, so failing this LoS check can be considered a good thing.  This leads to a potential B-F-H-K route to the boss with only 3 battles, and only 2 battles to farm H.  Keep in mind that if you want to reach the boss there is another LoS check for H -> K.  Having your LoS low enough to 'fail' the F -> I check but still high enough to pass H -> K is a delicate balancing act. The exact details of this route are still being worked out but see this discussion for more information. (Some reports show that a fleet with effective LoS above 35 takes the route F -> I.)

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