Modernization
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Main Remodel (Menu) page
Modernization is used to increase the Stats of a given ship, namely, the firepower 
, torpedo 
, anti-air 
, armor 
, HP 
, ASW 
, and Luck 
. 1 to 5 other ship girls are required in order to perform a Modernization.
- This page is about the Modernization mechanic. Please see Remodel (Menu) for information about the UI.
How To Modernize
- Click the Select (選択) button in the empty modernization slot to bring up a list of non-locked ship girls sorted by level.
- Select a ship girl to be placed in a modernization slot.
- 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.
- Once the selection is made, to modernize, click on either:
- The Modernization Start (after disarming)!! button (blue, left), to modernize while disarming and saving any equipment currently equipped on the consumed girls,
- The Modernization Start!! (合成開始!!) button (green, right), to modernize while also losing any equipment currently equipped on the consumed girls.
- The buttons will be greyed out if the ship girl cannot be modernized any further with the currently used ships.
- If the modernization fails, the "failure box" (penguin) will be displayed.
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, and may be capped lower after marriage HP gains;
- For ASW, it is +9 for ships with a base ASW stat, 0 otherwise.
- Locking ship girls will prevent them from showing up as modernization fodder.
When a ship get modernized, its "modernization level" increases, being represented by stars 
, from 1 to 5.
- Once fully modernized in firepower, torpedo, AA, and armor, the
"Max Modernized Star" will be displayed next to her level.
General Modernization
This applies to firepower , torpedo , anti-air , and armor . The formula for bonus stats from Modernization to these stats is:
| Modernization Stat Formula | |
|---|---|
| |
|
| 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 | 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 | - |
Special Modernizations
When using certain ships, it is additionally possible to modernize HP , ASW , and Luck .
| Ships used as fodder | Modernization get | Affected ships | Notes |
|---|---|---|---|
| Maruyu | +1.2
|
All | 5 Maruyu Kai should always be used at once |
| Maruyu Kai | +1.6
| ||
| 1 DE | +1/2 /or/ +1/2
|
All for & All with initial base for
|
Using higher-level DE increases the chance of gaining +2 of a stat |
| 2 DE of different classes | |||
| 2 same DE | |||
| 2 different DE of the same class | +1/2 /or/ +1/2
| ||
| Pumpkins | +1/2/3 |
All | Requires the use of duplicates or same class ships to gain more luck |
| Kamoi | +1/2
|
Only Mizuho, Kamoi, Agano-class, Yamato-class | +30% per base AV/AO +40% per Kai+ AV/AO |
| Mizuho | +1/2
|
Only Mizuho, Kamoi |
- Notes
- It is unclear if using more than 2 DE is taken into account. If it is, the speculated working is:
- Using 4 DE will count as 2 pairs,
- Using 3 or 5 DE with count as 1 or 2 pairs, and a single ship.
Stats
Luck Modernization
Luck can be modernized either by using:
- Maruyu, on any ship (see here),
- Coastal Defense Ships, on any ship (see here),
- Pumpkins, on any ship (see here).
Luck modernization is kept on remodel.
- The luck cap is arbitrary for each ship remodel, and us usually very high.
Marriage also gives some luck.
HP Modernization
HP can be modernized either by using:
- Coastal Defense Ships, on any ship (see here),
- Mizuho or Kamoi, on some ship (see here).
HP modernization is kept on remodel.
- The HP cap is arbitrary for each ship remodel, but the HP modernization is capped at +2 for unmarried ships, and between 0 and 2 for married ones.
Marriage also gives some HP, and will interfere with HP modernization for the following ships:
- Capped at +1 after marriage:
- Capped at +0 after marriage:
- BB: Nagato Kai/Ni, Mutsu Kai/Ni, Yamato (base), Musashi (base), Nelson Kai, Rodney Kai, Colorado Kai, Maryland Kai, Nevada Kai/Mod.2
- FBB: Bismarck/Kai/Zwei/Drei, Richelieu (base), Littorio/Italia, Roma/Kai, South Dakota Kai, Washington Kai,
- SS(V): I-168 Kai, I-8 (base), I-36 (base), I-400 (base), I-401 (base), Maruyu (base)
- AO: Hayasui Kai,
ASW Modernization
ASW can be modernized by using Coastal Defense Ships (see here).
- Modernization is only possible for ships that already have some base ASW stats.
ASW modernization is kept on remodel.
- The ASW cap is +9 for all ships.
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:
| Success/Failure (Expected Result) |
Base Remodel | ||||||
|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | 5 | ||
| Kai Remodel | 0 | - | 2/1 (1.2) |
3/2 (2.4) |
4/3 (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) |
- | - | - | - | - | |
- 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.
Pumpkins
It is possible to use the Pumpkins given during the Pumpkin Festival to increase luck during regular modernization.
- See here for more details.
Mizuho & Kamoi
Mizuho and Kamoi (AV/AO) can be used to increase the HP of certain ships:
- Mizuho for Mizuho and Kamoi.
- Kamoi for Mizuho, Kamoi, the Agano-class, and the Yamato-class.
- Mizuho and Kamoi are not interchangeable.
- Mizuho or Kamoi must be used in pairs to trigger HP modding,
- The HP mod success rate compared to the Luck mode is as follows:
| [math]\displaystyle{ \text{HPmod}_\text{Rate}\text{%} = 30 \times \text{N}_\text{b} + 40 \times \text{N}_\text{K} }[/math] |
- With
- [math]\displaystyle{ \text{N}_\text{b} }[/math] the number of AV/AO on base form,
- [math]\displaystyle{ \text{N}_\text{K} }[/math] the number of AV/AO on Kai+ form.
Notably, if the success rate goes over 100%, a roll for a second HP increase is performed (e.g. 120% = 20% chance for +2HP).
Coastal Defense Ships (DE)
Coastal Defense Ships (DE) have a chance of granting:
- +1 Luck when used "alone or in pairs".
- +1 HP when used in "pairs of different ships from the same class".
- +1 ASW when used "alone or in pairs".
Using pairs of different DE from the same class will guarante +1 HP or +1 Luck.
Luck
DE can give *+1 Luck when used alone or in pairs.
- For single DE:
| [math]\displaystyle{ \text{LUCKmod}_\text{Rate}\text{%} = 29 + 0.8 \times \text{Lv} }[/math] |
- For DE pairs:
| [math]\displaystyle{ \text{LUCKmod}_\text{Rate}\text{%} = 100 - \text{X}_\text{Rate}\text{%} }[/math] |
- With
- [math]\displaystyle{ \text{Lv} }[/math] the level of the DE used in the modding,
- [math]\displaystyle{ \text{X}_\text{Rate} }[/math] either the ASW or HP modding rate from the below formulas.
Notably:
- +1 luck or HP is guaranteed from upgrades of pairs of different DE from a same class.
- +1 luck or ASW is guaranteed from upgrades of single DE of any other pairing.
- If the total level of 2 DE is around 80+ (e.g. each of them lv 40+), there is a small chance (~6-7%) for an extra +1 luck
- In the case the ship cannot receive one of the 2 guaranteed stats (e.g. a BB for ASW) then there is a chance to fail the modernization.
It is highly advised to save DEs to modernize HP/ASW instead of luck.
HP
DE can give +1 HP when used in "pairs of different ships from the same class".
- It will give +1 Luck if it fails .
- If the ship is already at max HP, this will instead guarantee +1 ASW or +1 Luck.
- 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.
- The HP mod success rate compared to the Luck mode is approximately as follows [1]:
| [math]\displaystyle{ \text{HPmod}_\text{Rate}\text{%} = 30 + 0.35 \times \sum_\text{DE} \text{Lv} }[/math] |
- With
- [math]\displaystyle{ \text{Lv} }[/math] the level of the DE used in the modding.
- Notably :
ASW
DE can give +1 HP when used "alone" or in pairs that are not "different ships from the same class".
- It will give +1 Luck if it fails .
- 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).
- Using "pairs of different DE from the same class" will also guarantee +1 ASW or +1 Luck if the ship is already at max HP.
- It has been observed that, the higher the total level of two DEs used for modernization, the higher is the chance to get +1 ASW.
The ASW mod success rate compared to the Luck mode is approximately as follows[4]:
- For single DE:
| [math]\displaystyle{ \text{ASWmod}_\text{Rate}\text{%} = 100 - \text{LUCKmod}_\text{Rate}\text{%} }[/math] |
- For DE pairs:
| [math]\displaystyle{ \text{ASWmod}_\text{Rate}\text{%} = 10 + 0.40 \times \sum_\text{DE} \text{Lv} }[/math] |
- With
- [math]\displaystyle{ \text{Lv} }[/math] the level of the DE used in the modding.
- [math]\displaystyle{ \text{LUCKmod}_\text{Rate} }[/math] the luck modding rate from the above formula.
- Notably:
- If the total level of both DE is around 80+ (e.g. each of them lv 40+), the rate is about 20-30 %.
- Using two DE pairs with a level total at 180+ has a chance of +2 ASW.