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# Modernization

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Modernization is used to increase the Stats of a given ship, namely, the firepower , torpedo , anti-air , armour , HP , ASW , and Luck . 1 to 5 other ship girls are required in order to perform a Modernization.

# How To Modernize

1. Click the Select (選択) button in the empty modernization slot to bring up a list of non-locked ship girls sorted by level.
2. Select a ship girl to be placed in a modernization slot.
3. Stats that will be improved will turn blue and show the potential maximum improvement.
• HP, ASW, and Luck will just display a blue up arrow.
4. Once the selection is made, click the Begin Synthesis!! (合成開始!!) button to modernize.
• The button will be greyed out if the ship girl cannot be modernized any further.

# Overview

• Modernization upgrades for firepower, torpedo, AA, and armor are reset upon remodeling.
• HP, ASW, and luck modernization upgrades are carried over.
• Equipment on a ship girl used for modernization will be lost.
• Remember to remove valuable equipment before using a ship girl as modernization fodder.
• Stats cannot be increased beyond certain caps.
• For firepower, torpedo, AA, armor, and luck; it is dependent on the ship girl and its remodels. Please see the individual ship girl pages or Ship Maximum Status for the caps.
• For HP, it is +2.
• For ASW, it is +9.
• Locking ship girls will prevent them from showing up as modernization fodder.

# General Modernization

This applies to firepower, torpedo, anti-air and armour. The formula for bonus stats from Modernization to these stats is:

$\displaystyle{ \text{Stat}_\text{success} = \text{Stat}_\text{input} + \lfloor \frac{\text{Stat}_\text{input} +1}{5} \rfloor }$
$\displaystyle{ \text{Stat}_\text{failure} = \lfloor 0.5 \times \left( \text{Stat}_\text{input} + \frac{\text{Stat}_\text{input} +2}{5} \right) \rfloor }$

• $\displaystyle{ \text{Stat}_\text{input} }$ is the stat increase displayed on the Modernization menu.

Important Notes

• There is a fixed 50/50 chance of success/failure.
• Success/failure is calculated independently per stat.
• This means that it is possible for one stat to succeed and another to fail.
• Successes are capped by the cap of the respective stat.
• This can change the modernization efficiency listed below.
• For maximum gains, it is better to spam multiple +5 modernizations.
General Modernization Chart
Input Value 1 2 3 4 5 6 7 8 9 10 11 12
Success 1 2 3 5 6 7 8 9 11 12 13 14
Failure 0 1 2 2 3 4 5 5 6 6 7
Efficiency %[1] 50 75 83.3 87.5 90 83.3 85.7 87.5 88.9 90 86.4 87.5
Input Value 13 14 15 16 17 18 19 20 21 22 23 24
Success 17 18 19 20 21 23 24 25 26 27 29 30
Failure 8 8 9 9 10 11 11 12 12 13 14 14
Efficiency 88.5 89.3 90 87.5 88.2 88.9 89.5 90 88.1 88.6 89.1 89.6
Input Value 25! 26! 27! 28! 29! 30! 31 32 33 34 35 36[2]
Success 30 31 32 33 35 36 37 38 39 41 42 -
Failure 15 15 16 17 17 18 18 19 20 20 21 -
Efficiency 90 88.5 88.9 89.3 89.7 90 88.7 89.1 89.4 89.7 90 -
1. Calculated as the weighted expected value for a given input.
2. Not possible to currently achieve.

# Luck Modernization

Luck can be modernized either by using Maruyu or DEs. Remember that luck modernization is not reset on remodel.

Notes
• Modernization success is guaranteed if using 5 Maruyu.
• This is why it is very important to remodel her to Kai before using her as modernization fodder.
• Maruyu is the easiest and most efficient method to modernize luck. It is highly advised to save DEs to modernize HP.

### Maruyu

A base remodel Maruyu will provide +1.2 luck while her Kai remodel provides +1.6 luck. Refer to the chart below for Modernization results:

Maruyu Luck Modernization Chart
Success/Failure
(Expected Result)
Base Remodel
0 1 2 3 4 5
Kai Remodel 0 - 2/1
(1.2)
3/2
(2.4)
3/4
(3.6)
5/4
(4.8)
6/-
(6.0)
1 2/1
(1.6)
3/2
(2.8)
4/-
(4.0)
6/5
(5.2)
7/6
(6.4)
-
2 4/3
(3.2)
5/4
(4.4)
6/5
(4.6)
7/6
(6.8)
- -
3 5/4
(4.8)
6/-
(6.0)
8/7
(7.2)
- - -
4 7/6
(6.4)
8/7
(7.6)
- - - -
5 8/-
(8.0)
- - - - -

### Coastal Defence (DE)

DEs have a 50/50 chance of granting +1 luck when used alone or in pairs. The pair must be two different ship girls from the same class.

• +1 luck or ASW is guaranteed from single DE upgrades.
• +1 luck or HP is guaranteed from paired DE upgrades.
• There is a small chance (~6-7%) for an extra +1 luck if the pair is Kai.

### Pumpkins

It is possible to use the Pumpkins given during the Pumpkin Festival to increase luck during regular modernization.

• See here for more details.

# ASW Modernization

Currently, DEs are the only way to modernize ASW. They have a 50/50 chance of granting +1 ASW when used alone or in pairs.

• +1 ASW or Luck is guaranteed from single DE upgrades.
• There is a 20-30% chance of gaining +1 ASW when using pairs of Kai DEs.
• This chance is independent of the HP/Luck gain.
• Using two Kai DE pairs has a chance of +2 ASW.
• ASW increase is capped at +9.
• Modernization will fail if the ship girl is at the ASW cap.
• Modernization can still succeed if luck is rolled instead of ASW (if the ship girl is not at her luck cap).

# HP Modernization

HP can be increased by using DEs, Mizuho, or Kamoi. DEs must be used in pairs of two different ship girls from the same class to get +1 HP. Mizuho or Kamoi must be used in pairs to trigger HP modding.

For unmarried ships, HP can always be increased by a maximum of 2 points. Exceptions for married ships are:

HP can be increased with :

• +1 HP or Luck is guaranteed from using pairs of different DE from the same class.
• It has been observed that, the higher the total level of two DEs used for modernization, the higher is the chance to get +1 HP.
• If the total level of two DEs is around 180 or higher (each of them lv 90+), the chance to get +1 HP is about 90% [1][2].
• AV/AO (only Mizuho or Kamoi) can only be used to increase the HP of certain ships.
• Mizuho for Mizuho and Kamoi.
• Kamoi for Mizuho, Kamoi, Agano-class and Yamato-class.
• Kamoi and Mizuho are not interchangeable.
• The success rate for modernization using AV/AO (only Mizuho or Kamoi) can be increased by adding more duplicates.
• +30% per base AV/AO
• +40% per Kai AV/AO
• If the success rate goes over 100%, a roll for a second HP increase is performed. E.g 120% = 20% chance for +2HP.