User blog comment:Hayashi H/Spring 2016 Event Guide/@comment-26486243-20160504162154/@comment-26247760-20160505020420

E2: In final form, you're going to want multiple boss killers. Unless you have multiple tankhatsu/wg42s, I think it may be better to have 2 CAVs with t3 shells.

E3: Only thing to note is that you may want to have multiple zuiuns equiped in the CAVs in main fleet. This allows for stronger OAS which may help kill off enemies before closing torp.

E4: You may as well use any CI ships you have in E4 b/c E5-E7 are all installation bosses.

E5: From what I've observed, all air raid supp does is decrease the number of enemy planes by attacking. They cannot get you AS outright. Instead, you need to have your own AS in your main fleet, use air raid supp to thin out the enemy fighters, and then obtain AS. This may mean we need 2 CAVs to obtain AP or AS at boss node.

E6:

Best theoretical routing is ACFHN. DGFHN has 3 battle nodes + 1 aerial node meaning we reach boss with about 30% ammo. ACFHN has 2 battle nodes, 1 sub node, 1 aerial node meaning we reach boss with about 50% ammo. Unfortuantely, in all the tests I've done, ive never managed to reach H->N from starting at 1st starting point.

IF ACFHN is not achievable, I would rather say EIKMN is better than DGFHN. EIKMN has 2 battle nodes, 1 sub node, 1 fuel maelstrom. You reach boss with about 10% fuel and 50% ammo (more fuel by using radars(?)) which is better than 30% fuel 30% ammo.

As of now, there is no 100% routing from H->N. Even with the akitsumaru fleet, there is a chance to go K from H. If this occurs, you'll be approaching boss with 0% fuel 30% ammo if you go M->N. 0% fuel and 0% ammo if you go from J->N. Therefore, its probably not worth even continuing after K node if you dont have hayasui.

Another thing to note, L has CV hime and DD oni and may possibly be a "debuff" node. Dechi stated that he experienced a large increase in dmg against the boss after S ranking L a few times.