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Difference between revisions of "Improvement"

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Revision as of 08:37, 31 July 2022

Improvements are upgrades to equipment that increase their performance or upgrade them to better versions. Improvements are done in Akashi's Improvement Arsenal, requiring Akashi. Improvement Materials Improvement material are notably used for improvements.

  • For a comprehensive list of improvements, please refer to Akashi-List or the List of Improvements.

Overview

  1. Improvement levels are displayed beside equipment names.
    • They run from Improved+1 to Max-Improved (+10).
  2. Improvement bonuses are hidden. The increase in stats is not reflected on ship girls' stat cards.
    • This means they do not count for Support Expeditions or for reaching certain thresholds like for OASW.
    • Those bonuses work to some extent to reach regular Expeditions thresholds.
    • Some improvements on equipment can add some additional visible Fit Bonuses.
  3. Equipped equipment cannot be improved.
    • There is an option to unequip the equipment from the improvement list.
  4. Equipment must be unlocked in order to be upgraded to a better version.
  5. Improvements have a chance to fail. Please see below.
    • Materials and any fodder equipment are still lost on failure.
    • The equipment being improved is never lost.
    • It is recommended to use the guaranteed improvement toggle when dealing with expensive improvements and/or rare fodder at Improved+6 and beyond.
    • Akashi Kai has a higher success rate than her base version.
  6. Improved equipment cannot be used as fodder.
  7. Certain conversion quests like F13, F14, F15, F19, F22, and F24 to F30, that do not require improved equipment, will carry over any Improved to the upgraded equipment.
  8. Certain conversion quests like F62, F89, F70, and F107, allow to use Improved equipment, but any Improved are lost during conversion.

Improvement Success Rates

Akashi's level does not affect improvement rates. However, her remodel status does. It is highly recommended that she be remodeled to Kai as soon as possible, to maximize improvement success rates. The data below is sourced from KanColle Kai.

Modification Level 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★ Upgrade
Akashi 100% 100% 100% 100% 95% 90% 80% 77% 72% 60% 50%
Akashi Kai 100% 100% 100% 100% 100% 95% 90% 82% 77% 67% 62%

Improvement Bonuses

The bonus stats gained from improvement will vary depending on the type of equipment as well as the stat itself.

  • Most improved stats will come as decimal numbers due to the use as base decimals and how square roots work.
  • It is important to note that decimals must not be discarded in favor of whole numbers, as stats will be multiplied by various formulas anyway, to finally be rounded down/up.
  • For calculated improvment bonuses, please refer to the Reference Charts.

The improvement effects are unknown for:

  • Reconnaissance AircraftLB Land-based ReconsType 2 Land-based Reconnaissance Aircraft
    Type 2 Land-based Reconnaissance Aircraft (Skilled)
    .
    • Air power and LoS might be affected, but it is unknown due to how LBAS work.
  • Command Facility Command FacilitiesFleet Command Facility
    Striking Force Fleet Command Facility
    Elite Torpedo Squadron Command Facility
    .
  • Ration RationsCombat Ration
    Combat Ration (Special Onigiri)
    Canned Saury
    .
    • Moral gains might be affected. So far, improvement serves to upgrade them into their improved versions.
    • Since improving a Combat RationCombat Ration up to +6★ cost 0 screw, it is possible to farm some screw by upgrading a ration once a day while doing quest F18.

Square Rooted Bonus

Most bonuses are all a function of the square root of the improvement level. The bonus can be calculated by:

[math]\displaystyle{ \text{Bonus}_\text{stat} = \sum_{\text{All equips}} \text{Mod}_\text{equip} \sqrt{\bigstar} }[/math]

  • [math]\displaystyle{ \bigstar }[/math] is the improvement level of the equipment.
  • [math]\displaystyle{ \text{Mod}_\text{equip} }[/math] is the equipment modifier for that stat. Please refer to the table below for details.
Equipment Type Day Battle Night Battle ASW AA LoS Accuracy Evasion CI rates
Firepower Torpedo Equipment AA Fleet AA Shelling Torpedo Shelling Torpedo Fleet Enemy
Main Guns Small Guns (Red)
Small Caliber Main Gun
1 - 1 - - - - 1 - - - - -
Main High-Angle Guns (Green)
High-Angle Gun
1 - 1 - 0.7 2[1]
3[2]
- 1 - - - - -
Medium Guns (Red)
Medium Caliber Main Gun
1 - 1 - - - - 1 - - - - -
Large Guns
Large Caliber Main Gun
1.5 - 1 - - - - 1 - - - - -
Secondary Guns Surface (Yellow)
Secondary Gun
Linear 0.3 - Linear 0.3 - - - - 1 - - - - -
15.2 cm Single15.2cm Single Gun Mount & OTOOTO 152mm Triple Rapid Fire Gun Mount
Secondary Gun
1 - 1 - - - - 1 - - - - -
High-Angle (Green)
High-Angle Gun
Linear 0.2 - Linear 0.2 - 0.7 2[3]
3[4]
- 1 - - - - -
90 mm Single HA90mm Single High-angle Gun Mount
High-Angle Gun
1 - 1 - 0.7 3 - 1 - - - - -
5" Twin Secondary CD5inch Twin Gun Mount (Secondary Armament) Concentrated Deployment[5]
High-Angle Gun
Linear 0.3 - Linear 0.3 - 0.7 3 - 1 - - - - -
Anti-Air Guns
Anti-Aircraft Gun
1 1.2 - - 0.7 - - - 2 - - - -
Anti-Aircraft Fire Directors
Anti-Aircraft Fire Director
1 - 1 - 0.7 2 - 1 - - - - -
Torpedoess
Torpedoes
- 1.2 1 - - - - - 2 - - - -
Midget Submarines
Torpedoes
- - 1 - - - - - - - - - -
Carrier Recons
Reconnaissance Aircraft
- - - - - - 1.2 - - - - - -
Flying Boat
Large Flying Boat
- - - - - - 1.2 - - - - - -
Seaplanes
Seaplane
Reconnaissance - - - - - - 1.2 - - - - - -
Bomber - - - - - - 1.1 - - - - - -
Liaison Aircraft
Liaison Aircraft
- - - - - - - 1 - - - - -
Land Based Bombers Attackers/Assault/Heavy Bombers
Land-based Attack AircraftLand-based Assault AircraftLand-based Heavy Bomber
- 0.7 - - 0.5 - - - - - - - -
GingaGinga & Type 1 NonakaType 1 Land-based Attack Aircraft (Nonaka Squadron)
Land-based Attack Aircraft
- 0.7 - - Linear 0.25 - - - - - - - -
Hayabusa bomberBomb-carrying Type 1 Fighter Hayabusa Model III Kai (65th Squadron)
Land-based Fighter
- - - - 0.5 - - - - - - - -
Radars
RADAR
Surface Large - - - - - - 1.4 1.7 - - - - -
Small - - - - - - 1.25 - - - - -
Dual Purpose Large & Very Large - - - - - 1.5 1.4 - - - - -
Small - - - - - 1.25 1 - - - - -
Air Radar Large - - - - - 1.4 - - - - -
Small - - - - - 1.25 - - - - -
Submarine Radar
Submarine Equipment
- - - - - - - - - - - +?% -
Searchlights
Searchlight
1 - 1 - - - - - - - - - -?%
Depth Charges
Depth Charges
0.75 - - 0.66 - - - - - - - - -
Sonars
SONAR
0.75 - - 0.66 - - - 1.3[6] - - 1.5 - -
Engines
Engine Improvement
- - - - - - - - - 1.5 - -
Shells
Armor-Piercing ShellAnti-Aircraft Shell
1 - 1 - - - - 1 - - - - -
Landing Crafts & Amphibious Tank
Landing CraftAmphibious Vehicle
1 - 1 - - - - - - - - - -
Anti-Ground Artillery
Anti-Ground Rocket
1 - 1 - - - - - - - - - -
Lookouts
Lookout
1 - 1 - - - - - - - - - -
  1. For guns with AA ≤ 6
  2. For guns with AA ≥ 7
  3. For guns with AA ≤ 7
  4. For guns with AA ≥ 8
  5. https://twitter.com/hedgehog_hasira/status/1548329561636495373
  6. Applies to ASW only.

Linear Bonus

Some bonuses just have a linear growth. The bonus per improvement level is given by the table below.

Equipment Type Fighter Power Dive Bomb Torpedo ASW Armor Anti-Installation Bonus[1] Expedition Bonus[2]
Submarine Torpedoes
Torpedoes
- - 0.2 - - - -
Fighters
Fighter
0.2 - - - - - -
SPF
Seaplane Fighter
0.2 - - - - - -
Interceptors
Land-based FighterLand-based Fighter
0.2 - - - - - -
Fighter-Bombers
Dive Bomber
0.25 - - - - - -
Dive Bombers (ex. FB)
Dive Bomber
- 0.2 - 0.2 - - -
Torpedo Bombers
Torpedo Bomber
- - 0.2 0.2 - - -
Seaplane Bombers
Seaplane
- 0.2 - - - - -
Rotorcrafts
Rotorcraft
BasicKa Type Observation Autogyro
O Type Observation Autogyro Kai
- - - 0.2 - - -
AdvancedO Type Observation Autogyro Kai Ni
S-51J
S-51J Kai
- - - 0.3 - - -
Liaison Aircraft
Liaison Aircraft
- - - 0.2 - - -
Armor
Armor
Medium - - - - 0.2 - -
Large - - - - 0.3 - -
Landing Crafts
Landing Craft
- - - - - 0.02% 0.05%[3]


0.02%[4]

Amphibious Tanks
Amphibious Vehicle
- - - - - 0.03% 0.01%

See Also

Akashi's Improvement Arsenal
Improvement/Reference Charts
https://akashi-list.me/