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Difference between revisions of "PT Imp Pack"

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* '''[[Glossary#List of Vessels by Japanese Voice Actresses|Seiyuu]]''': [http://myanimelist.net/people/10071/Mikako_Komatsu Komatsu Mikako?] (小松未可子)
 
* '''[[Glossary#List of Vessels by Japanese Voice Actresses|Seiyuu]]''': [http://myanimelist.net/people/10071/Mikako_Komatsu Komatsu Mikako?] (小松未可子)
  
==EnWiki Notes==
+
==Notes==
*On 11/20/2015, a tweet revealed a bug that prevented destroyers from being able to hit the PT Imp Groups. As a result the devs readjusted the damage calculations in a live patch update on the same day.
+
PT Imps were introduced during the [[Fall 2015 Event]] and were reworked with the [[Summer 2017 Event]].
[[PT Imp Group|PT Imps]] were introduced during the [[Summer 2017 Event]].  
+
*On 20/11/2015, a tweet revealed a bug that prevented destroyers from being able to hit the PT Imp Groups. As a result, the devs readjusted the damage calculations in a live patch update on the same day.
  
 
{{Anti-PT Imp Setups|uncollapsed=true}}
 
{{Anti-PT Imp Setups|uncollapsed=true}}
  
==WikiaNotes==
+
==Trivia==
<!--* [[Fall 2015 Event]].-->
+
* They are a reference to the [[:wikipedia:PT boat|Patrol Torpedo boats]] deployed by United States Navy during World War II.
* All ship classes suffer a severe accuracy and firepower penalty against PT Imp Packs.
+
** Nicknamed "Devil Boats" by the Japanese.
<!--** Before Nov20 JST evening, the original mechanism that provided Destroyers with the appropriate accuracy and firepower bonus against PT Imp Packs was not properly implemented. It has since been reported as fixed. However, some players have claimed a decreased opening air strike accuracy and decreased seaplane effectiveness against them after the fix.-->
+
* Currently the only non-boss abyssal ships with voice lines apart from [[Artillery Imp]].
* Starting from the [[Summer 2017 Event]], airstrike, aerial support, opening torpedo as well as previous anti-imp equipment are no longer effective. Instead, certain equipment combinations are now observed to have accuracy and firepower bonuses against PT Imp Packs.
 
*'''At least two different types of equipment must be combined to see significant boosts to accuracy.'''
 
**Skilled lookouts give very high boost to accuracy, and reaching very high accuracy is hard without them
 
**Stacking multiple of other types (without skilled lookouts) can give somewhat high accuracy. For instance, two secondary guns and one machine gun
 
*Applicable equipment types
 
**Skilled Lookouts [[File:Ssp c.png]]
 
**Small main guns [[File:RedGunLight.png]][[File:GreenGunDP.png]]
 
**Secondary guns [[File:YellowGun.png]][[File:GreenGunDP.png]]
 
**AA/machine guns [[File:GreenGunMG.png]]
 
**Seaplane scouts/bombers [[File:Seaplane.png]]
 
*Typically destroyers are used as anti-PT imp because they usually want to have small main guns equipped regardless, however CL, CLT, AV, CA(V), BB(V) are also sometimes used as well depending on the circumstances
 
*Equipping more different types of equipment will increase accuracy greatly, but some types (guns, machine guns) will increase accuracy further if two of the same type are equipped, albeit less than equipping an additional type instead.
 
*Some equipment types give extra firepower bonuses against PT Imp Packs, namely the main/secondary guns. For very high probability of sinking in one hit, at least one gun-type equipment effective against PT Imp Packs is usually needed.
 
*More equipment types, applicable ship types and/or synergy combos may have yet to be found/tested
 
 
 
* The PT Imp Packs are assumed to have extremely high evasion, so anything that improves the shipgirls' hit rate will be very beneficial such as--but not limited to: sparkling morale, fit guns, surface radars, high accuracy formations (''e.g.'' Double Line, Cruising Formation 4) and Akashi improved★ equipment.
 
 
 
*Support shelling and LBAS bombing appear to be fairly effective against PT Imps.
 
  
 
==References==
 
==References==
Line 71: Line 53:
 
*[https://docs.google.com/spreadsheets/d/1Ns82Jb253Y6jSuMvrjWKLrkeUeYf8jb8hzc3-C5coEU/edit#gid=835338002 艦これデータ置き場③]
 
*[https://docs.google.com/spreadsheets/d/1Ns82Jb253Y6jSuMvrjWKLrkeUeYf8jb8hzc3-C5coEU/edit#gid=835338002 艦これデータ置き場③]
 
*https://twitter.com/HMS_ArkRoyal_KC/status/903987410253557764
 
*https://twitter.com/HMS_ArkRoyal_KC/status/903987410253557764
 
==Trivia==
 
* They are a reference to the [[:wikipedia:PT boat|Patrol Torpedo boats]] deployed by United States Navy during World War II.
 
** Nicknamed "Devil Boats" by the Japanese.
 
* Currently the only non-boss abyssal ships with voice lines apart from [[Artillery Imp]].
 
  
 
{{Enemyshiplist}}
 
{{Enemyshiplist}}
 
[[Category:Enemy Vessel]]
 
[[Category:Enemy Vessel]]
 
[[Category:Bosses]]
 
[[Category:Bosses]]

Revision as of 13:04, 21 June 2022

Info

Basic

PT Imp Pack

No.1637 PT小鬼群

Abyssal Destroyer

Enemy Full PT Imp Pack.png
Statistics
Icon HP.png HP 9 Icon Gun.png Firepower 9
Icon Armor.png Armor 19 Icon Torpedo.png Torpedo 88
Icon Evasion.png Evasion ?? Icon AA.png AA 12
Icon Aircraft.png Aircraft 0 Icon ASW.png ASW ??
Icon Speed.png Speed Fast Icon LOS.png LoS ??
Icon Range.png Range Short Icon Luck.png Luck ??
Air Power Slots
0 2
Equipment Space
Torpedo High-speed Abyssal TorpedoEquipment Item 61cm Quadruple (Oxygen) Torpedo Mount.png 0
Xx c.png - Unequipped - 0
- Locked - -
- Locked - -
Extra Statistics
Icon Aircraft.png Opening Airstrike
No
Icon Torpedo.png Opening Torpedo
No
Icon Gun.png Day Battle
Shelling (14)
Icon Gun.pngIcon LOS.png Artillery Spotting
No
Icon Torpedo.png Closing Torpedo
103
Icon ASW.png ASW Attack
Day/Night (13+)
Icon Gun.pngIcon Torpedo.png Night Battle
Single Torpedo (107)

Basic II

PT Imp Pack II

No.1638 PT小鬼群

Abyssal Destroyer

Enemy Full PT Imp Pack.png
Statistics
Icon HP.png HP 9 Icon Gun.png Firepower 9
Icon Armor.png Armor 29 Icon Torpedo.png Torpedo 98
Icon Evasion.png Evasion ?? Icon AA.png AA 18
Icon Aircraft.png Aircraft 0 Icon ASW.png ASW ??
Icon Speed.png Speed Fast Icon LOS.png LoS ??
Icon Range.png Range Short Icon Luck.png Luck ??
Air Power Slots
0 2
Equipment Space
Torpedo High-speed Abyssal TorpedoEquipment Item 61cm Quadruple (Oxygen) Torpedo Mount.png 0
Torpedo High-speed Abyssal TorpedoEquipment Item 61cm Quadruple (Oxygen) Torpedo Mount.png 0
- Locked - -
- Locked - -
Extra Statistics
Icon Aircraft.png Opening Airstrike
No
Icon Torpedo.png Opening Torpedo
No
Icon Gun.png Day Battle
Shelling (14)
Icon Gun.pngIcon LOS.png Artillery Spotting
No
Icon Torpedo.png Closing Torpedo
123
Icon ASW.png ASW Attack
Day/Night (13+)
Icon Gun.pngIcon Torpedo.png Night Battle
Cut-in: Torpedo (190 x2)

Basic III

PT Imp Pack III

No.1639 PT小鬼群

Abyssal Destroyer

Enemy Full PT Imp Pack III.png
Statistics
Icon HP.png HP 15 Icon Gun.png Firepower 15
Icon Armor.png Armor 29 Icon Torpedo.png Torpedo 98
Icon Evasion.png Evasion ?? Icon AA.png AA 18
Icon Aircraft.png Aircraft 0 Icon ASW.png ASW ??
Icon Speed.png Speed Fast Icon LOS.png LoS ??
Icon Range.png Range Short Icon Luck.png Luck ??
Air Power Slots
0 2
Equipment Space
Torpedo High-speed Abyssal TorpedoEquipment Item 61cm Quadruple (Oxygen) Torpedo Mount.png 0
Torpedo High-speed Abyssal TorpedoEquipment Item 61cm Quadruple (Oxygen) Torpedo Mount.png 0
- Locked - -
- Locked - -
Extra Statistics
Icon Aircraft.png Opening Airstrike
No
Icon Torpedo.png Opening Torpedo
No
Icon Gun.png Day Battle
Shelling (20)
Icon Gun.pngIcon LOS.png Artillery Spotting
No
Icon Torpedo.png Closing Torpedo
123
Icon ASW.png ASW Attack
Day/Night (13+)
Icon Gun.pngIcon Torpedo.png Night Battle
Cut-in: Torpedo (199 x2)

Basic IV

PT Imp Pack IV

No.1640 PT小鬼群

Abyssal Destroyer

Enemy Full PT Imp Pack IV.png
Statistics
Icon HP.png HP 18 Icon Gun.png Firepower 18
Icon Armor.png Armor 39 Icon Torpedo.png Torpedo 118
Icon Evasion.png Evasion ?? Icon AA.png AA 24
Icon Aircraft.png Aircraft 0 Icon ASW.png ASW ??
Icon Speed.png Speed Fast Icon LOS.png LoS ??
Icon Range.png Range Short Icon Luck.png Luck ??
Air Power Slots
0 2
Equipment Space
Torpedo High-speed Abyssal TorpedoEquipment Item 61cm Quadruple (Oxygen) Torpedo Mount.png 0
Torpedo High-speed Abyssal TorpedoEquipment Item 61cm Quadruple (Oxygen) Torpedo Mount.png 0
- Locked - -
- Locked - -
Extra Statistics
Icon Aircraft.png Opening Airstrike
No
Icon Torpedo.png Opening Torpedo
No
Icon Gun.png Day Battle
Shelling (23)
Icon Gun.pngIcon LOS.png Artillery Spotting
No
Icon Torpedo.png Closing Torpedo
143
Icon ASW.png ASW Attack
Day/Night (13+)
Icon Gun.pngIcon Torpedo.png Night Battle
Cut-in: Torpedo (234 x2)

Quotes

Event Japanese English Note
Introduction
None
Attacking
キャッハハ…キャハハッキャッ……キャハハ… Kyahaha... Kyahaha kya... kyahaha...
Under attack
イ゛イ゛ッ…! イ゛ィーッ……! Iiig...! Iiiiig....!
Sunk
None


Character

Notes

PT Imps were introduced during the Fall 2015 Event and were reworked with the Summer 2017 Event.

  • On 20/11/2015, a tweet revealed a bug that prevented destroyers from being able to hit the PT Imp Groups. As a result, the devs readjusted the damage calculations in a live patch update on the same day.
Anti-PT boat
Unlike most standard Abyssals, "PT boats" (PT Imp PackPT Imp Pack & Schnellboot Imp PackSchnellboot Imp Pack) are "very small and fast".
  • All ship types suffer a severe Accuracy accuracy and Firepower firepower penalty against PT boats.
  • Attacking them with larger guns is not very effective, smaller guns being recommended instead.
  • Support Expeditions are not affect by any of the following[1].
Attack formula against PT boats
The Attack formula against PT boats:[2][3]
Jet Assault & Airstrike
  • [math]\displaystyle{ \text{Damage}_\text{PT}= \text{Atk}_\text{post-cap} \times \text{Rand} [0.5 ; 0.8] }[/math]


LBAS[4]
  • [math]\displaystyle{ \text{Damage}_\text{PT}= \text{Atk}_\text{post-cap} \times \text{Rand} [0.4 ; 0.7] }[/math]


Shelling
  • [math]\displaystyle{ \text{Damage}_\text{PT}= ( 0.3 \times \text{Atk}_\text{post-cap} + \sqrt{\text{Atk}_\text{post-cap}} + 10 ) \times \prod^{All Equipment}{\text{Mod}_\text{EquipmentAtk}} }[/math]


Opening & Closing Torpedo Salvos
  • [math]\displaystyle{ \text{Damage}_\text{PT}= 0.3 \times \text{Atk}_\text{post-cap} + \sqrt{\text{Atk}_\text{post-cap}} + 10 }[/math]


Night Battle
  • Night Battle data are unclear yet.


With
  • [math]\displaystyle{ \text{Atk}_\text{post-cap} }[/math] the post cap attack power defined here,
  • [math]\displaystyle{ \text{Mod}_\text{EquipmentAtk} }[/math] the bonuses given by equipment, described below.
Accuracy formula against PT boats
The Accuracy formula against PT boats:[5][6][7][8]
[math]\displaystyle{ \text{Hit Rate}_\text{vs.PT} \text{%} = \Big\lfloor ( 0.3 \times \text{Accuracy}_\text{Atk} + \sqrt{\text{Accuracy}_\text{Atk}} + 15 ) \times 1.2 \times \text{Mod}_\text{Ship} \times \Big( \prod^{All Equipment}{\text{Mod}_\text{EquipmentAcc}} \Big) \times \text{Mod}_\text{Night} \Big\rfloor - \text{EVA}_\text{PT} + 1 }[/math]
With
  • [math]\displaystyle{ \text{Acc}_\text{Atk} }[/math] the standard accuracy described here
    • PT boats are "DDs" in the game, so the [math]\displaystyle{ \text{Mod}_\text{formation} }[/math] for vanguard is 1.1 during shelling, and 1.2 during the torpedo phase.
    • Historical accuracy bonuses during Events are included in the Standard Accuracy Term, i.e. it is affected by the [math]\displaystyle{ \text{Mod}_\text{PT} }[/math] modifier.
  • [math]\displaystyle{ \text{EVA}_\text{PT} }[/math] the PT estimated evasion Evasion described bellow,
PT boats stats
Type Luck Luck Eva Evasion [math]\displaystyle{ \text{EVA}_\text{PT} }[/math]
Line AheadLineAhead.png EchelonEchelon.png Line AbreastLineAbreast.png
PT Imp PackPT Imp Pack ? ? 81? 87? ?
PT Imp Pack IIPT Imp Pack II 60 220 80 87 85
PT Imp Pack IIIPT Imp Pack III 60 250 82 89 88
PT Imp Pack IVPT Imp Pack IV ? ? ? 84? ?
Schnellboot Imp PackSchnellboot Imp Pack ? ? ? ? ?
Schnellboot Imp Pack IISchnellboot Imp Pack II ? ? ? ? ?
Schnellboot Imp Pack EliteSchnellboot Imp Pack Elite ? ? ? ? ?


The main Accuracy modifiers are
  • [math]\displaystyle{ \text{Mod}_\text{Amagiri} }[/math] being include in [math]\displaystyle{ \text{Acc}_\text{Atk} }[/math]:
  • [math]\displaystyle{ \text{Mod}_\text{Ship} }[/math] the bonus given by ship types, described below,
  • [math]\displaystyle{ \text{Mod}_\text{EquipmentAcc} }[/math] the bonuses given by equipment, described below,
  • [math]\displaystyle{ \text{Mod}_\text{Night} }[/math] being 0.7 during night battle, 1 during day battle.


Amagiri Kai Ni/DAmagiri Kai Ni
Amagiri Kai Ni D
has the ability to prioritize focusing on attacking PT imps with significantly increased accuracy if any are present.

  • DD placed in the composition slots above and below her will gain a noticeable accuracy boost and will prioritize attacking PT boats if any are present.
  • The PT boat targeting rate is 100% for all affected ships [9].

During Events, some special bonuses may be added, with "historical" ships and equipment gaining some accuracy bonuses[10].

Ship Type [math]\displaystyle{ \text{Mod}_\text{Ship} }[/math]
DD & DE 1.0
CL, CLT, & CT 0.82
All other types 0.7
Equipment [math]\displaystyle{ \text{Mod}_\text{EquipmentAcc} }[/math] [math]\displaystyle{ \text{Mod}_\text{EquipmentAtk} }[/math]
1st equipped 2nd equipped 1st equipped 2nd equipped
Small Caliber Main GunSmall Caliber Main High-Angle GunSmall Small Caliber Main Guns[11] 1.3 1.15 1.5 2.11.5×1.4
Secondary GunSecondary High-Angle GunSec Secondary Guns[12] 1.55 1 1.3
Anti-Aircraft Gun Anti-Aircraft Guns 1.45 1.35 1.2 1.441.2×1.2
Lookout Skilled LookoutsSkilled Lookouts
Torpedo Squadron Skilled Lookouts
1.75 1 1.1
Landing CraftArmed Soukoutei (Armored Boat Class)Soukoutei (Armored Boat Class) 1.45 1.3 1.2 1.1
Armed DaihatsuArmed Daihatsu 1.45 1.3 1.2 1.1
Amphibious Vehicle Ka-Tsu TanksSpecial Type 4 Amphibious Tank
Special Type 4 Amphibious Tank Kai
[13][14]
1 1.3 1 1.1
Seaplane BomberBomberSeaplane Fighter Seaplane Bombers & Seaplane Fighters 1.5 1 1.2
Dive BomberJetFighterBomber1.pngJetFighterBomber2.png Dive Bombers & JetsKikka Kai
Jet Keiun Kai
1.375 1.2 1.4 1.821.4×1.3
All other equipment 1 1
Notes
  • It is recommended to use anti-PT setups on DDs only, such setups compromising overall combat effectiveness.
  • Having a Reinforcement Expansion is important because it can save a ship slot by containing a machine gun or skilled lookouts.
  • Combining equipment is recommended to see significant boosts to accuracy.
  • The Amphibious Vehicle Ka-Tsu TanksSpecial Type 4 Amphibious Tank
    Special Type 4 Amphibious Tank Kai
    bonus does not stack with the Landing Craft Armed BoatsSoukoutei (Armored Boat Class)
    Armed Daihatsu
    ones.
  • Using other setups improving accuracy is also advisable:
References:
[edit]

Trivia

  • They are a reference to the Patrol Torpedo boats deployed by United States Navy during World War II.
    • Nicknamed "Devil Boats" by the Japanese.
  • Currently the only non-boss abyssal ships with voice lines apart from Artillery Imp.

References