User blog:Admiral Mikado/Extra Operations for Dummies: 1-5

World 1-5: 【Extra Operation】 鎮守府近海 Adjacent Seas of the Naval Base


This map is the first Extra Operation, a type of bonus level that rewards you with medals, ranking points and other things upon clearing, and resets at the start of each month.

Sinking the flagship at the boss node reduces the boss gauge by 25%. Therefore you have to sink the boss 4 times in order to clear the map.

It can be quite troublesome for beginners because it requires a rather specific fleet setup in order to reach the boss node.

The enemy fleets consist mainly of submarines, so ASW equipment is extremely important. While there are battle nodes with surface fleets, those are dead ends you won't get sent to at all if you're using the correct fleet composition.

In order to secure a 100% boss route, your fleet has to fulfil the following conditions:
 * 4 ships or less
 * 1 CVL/CAV/AV/LHA
 * less than 3 CL
 * no (F)BB whatsoever

Fleet Setup


Fleet Example: 2 CL/DD 1 CVL/CAV 1 BBV

This setup is pretty much the best for clearing and/or farming. It fulfils the aforementioned conditions, so you're guaranteed to get to the boss.

While the ships in the screenshot have fairly hight levels, remodelled ships at Lv.30~40 are more than enough to clear this map. ASW equipment is far more important than levels.

Destroyers / Light Cruisers


They're your main damage source on this map, so bringing 2 CL/DD is a must. Since you'll encounter nothing but submarines on this map you don't have to bother with guns or radars, just stack ASW equipment on them.

Type 3 Sonars & Type 3 Depth Charges are the best, but for those who don't have these at all or not enough of them, Type 93 Sonars & Type 94 Depth Charges work just as well.

Make sure that you equip each of them with at least one depth charge & one sonar. Doing so gives an additional ASW & Accuracy bonus.

Among light cruisers Yuubari & Ooyodo are you best choices because their 4 slots allow you to stack more ASW equipment.

You can substitute one or both light cruisers for destroyers if you want, but since the latter has worse armour you might wanna stick to the former.

Light Carrier / Aviation Cruiser


A light carrier is mandatory due to branching rules.

Yet again, since you're going to face nothing but submarines just equip her with planes with high ASW (対潜).

The planes in the screenshot are Akitsu Maru Kai & Ryuuhou Kai stock equipment and therefore difficult to obtain, especially for beginners, but you can use pretty much any bomber plane you want. Planes like Type 97 Torpedo Bomber or Ryuusei are relatively easy to obtain and have decent ASW stats.

While it's not necessary, you should equip the CVL with Saiun to avoid Red T since it'll make killing the boss virtually impossible. Besides, unless your CVL has planes like in the screenshot you shouldn't expect her to deal much damage against subs anyway. She's mainly there to secure the boss route and prevent Red T.

You can substitute the CVL for a CAV equipped with nothing but Zuiun or their variants if you want. CAVs have better armour, which increases their survivability, but since they can't equip Saiun you're at the mercy of the RNG when it comes to engagement forms. AVs would be another possibility, but they lack both armour and the ability to equip Saiun, so I can't recommend them either.

Aviation Battleship


An aviation battleship is needed to trigger the 2nd shelling phase.

It has to be a BBV, any other type of battleship will throw you off course.

Once again, nothing but subs on this map, so bring your best ASW equipment. Zuiun should be enough, but if you have better seaplane bombers like Zuiun (634 Air Group), Zuiun Model 12 or Prototype Seiran, feel free to use those.