User blog comment:Kuras/Fall Event 2016/@comment-29735334-20161128183726

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After some grueling 17 runs, I managed to whittle down the E-4H HP bar to 316 (KC3kai reading), so I think I'm within Last Dance range. I reached the boss 5 times, scoring at least 3 boss kills and 2 S-ranks.

All boss encounters and kills were made with 2DD 2CVL FBB CL composition. I tried CVL-CAV compo, but RNG treated me harshly in either the dreaded S node, or the troll sub node. This is not to say that 2CVL is better than CVL-CAV. There were times I wished that I had one more night battle capable shipgirl after Yukikaze reduced the boss to a mere 16 HP. That, and the reported torpedo bomber nuke is not a reliable means of killing the boss - in fact, my fleet has not managed to pull it off yet.

Something to consider when choosing 2CVL compo - watch your LoS! There was one time I got diverted to dead end U node because I didn't pay attention to LoS when swapping equipment (swapped Yuki's radar for star shell) and got too focused on minding bomber/fighter comp on my CVLs. With CAV, there is no better use for their plane slot than to carry a seaplane recon/bomber and seaplane fighter, which will easily get sufficient LoS to go to boss. Especially Tone-class K2, which at max level has LoS exceeding that of all CVLs. I have to put a type 2 recon on one of my CVLs to satisfy the LoS requirement.