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Difference between revisions of "Combat/Battle Opening"

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{{CombatPortal}}
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=Battle Opening Breakdown=
 
=Battle Opening Breakdown=
−
 
 
Battle Opening is one of the ''daytime combat'' intermediary phases, taking place immediately before the First shelling starts. In this phase, allied and enemy fleets launch attacks with the intent to disable or remove enemy targets before the combat proper starts. This grants either fleet substantial advantages by possibly disabling key ships on the opposing side.
 
Battle Opening is one of the ''daytime combat'' intermediary phases, taking place immediately before the First shelling starts. In this phase, allied and enemy fleets launch attacks with the intent to disable or remove enemy targets before the combat proper starts. This grants either fleet substantial advantages by possibly disabling key ships on the opposing side.
  
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=Opening ASW Shelling (OASW)=
 
=Opening ASW Shelling (OASW)=
−
 
+
<onlyinclude>Commonly referred to as ''OASW (opening ASW)''. All eligible ships will perform a regular ASW Shelling attack, following range order in the same fashion as the First Shelling Phase. As these opening attacks happen before the Opening Torpedo Salvo, they may disable or even sink enemy submarines before they have a chance to attack.
−
Commonly referred to as ''OASW (opening ASW)''. All eligible ships will perform a regular ASW Shelling attack, following range order in the same fashion as the First Shelling Phase. As these opening attacks happen before the Opening Torpedo Salvo, they may disable or even sink enemy submarines before they have a chance to attack.
 
  
 
OASW has the following trigger conditions:
 
OASW has the following trigger conditions:
−
* The ship must be able to perform ASW shelling.
+
* Only ships listed below can trigger an OASW,
−
* Meet their specific ASW stat threshold and requirements:
+
** The ship is not required to be able to perform any [[ASW Shelling]].
 +
* They must meet their specific ASW stat threshold and requirements, listed below,
 +
* For [[Combined Fleet]]s, only ships in the escort fleet can perform OASW.
  
−
{|class="wikitable" style="width:1050px; text-align:center; margin:auto"
+
{|class="wikitable" style="text-align:center; margin:auto"
−
!width="25%"|OASW Ship
+
!OASW Ship
−
!ASW Stat Required<ref>The Required ASW Stat '''does''' include [[Equipment_Bonuses|visible equipment bonuses]], but '''does not''' include [[Improvement|improvement bonuses]].</ref>
+
!ASW Stat Required<ref>The Required ASW Stat '''does''' include [[Visible Bonus]]es, but '''does not''' include [[Improvement]]s.</ref>
−
!Equipment Required<ref>[[Equipment_Bonuses|Visible equipment bonuses]] or [[Improvement|improvement bonuses]] '''do not''' count as equipment ASW (e.g. a +6 ASW equipment with +1 ASW bonus does not count as a +7 equipment but just as a +6 one).</ref><ref>Regardless of their ASW stat, {{GreenPlane}}{{Night Fighter Aircraft}} [[:Category:Fighters|Fighters]] or {{YellowPlane}} [[:Category:Recon Aircraft|Recon Aircrafts]] cannot trigger any OASW.</ref>
+
![[Sonar]]<br>Required?
 +
!Other Equipment Required<ref>[[Visible Bonus]]es or [[Improvement]]s '''do not''' count as equipment ASW (e.g. a +6 ASW equipment with +1 ASW bonus does not count as a +7 equipment but just as a +6 one).</ref><ref>When applicable, if all relevant ASW aircraft are in zero plane slots, and no bomber {{Dive Bomber}}/{{Torpedo Bomber}} with 1+ {{ASW}} are present in non-zero plane slot, the ship cannot OASW.</ref><ref>Regardless of their ASW stat, {{Fighter}}{{Night Fighter}} [[Fighter]]s or {{Carrier Recon}} [[Carrier Recon]]s cannot trigger any OASW.</ref>
 
|-
 
|-
−
! Any [[DD|Destroyer]]/[[CL|Light Cruiser]]/[[CLT|Torpedo Cruiser]]/[[AO|Fleet Oiler]]/[[CT|Training Cruiser]]
+
! rowspan=2| Any [[DE]]
−
{{Ship/Link|Yamato/Kai Ni}}<ref>Only if Yamato has been [[Modernization#ASW Modernization|ASW moded]] at some point.</ref>
+
| '''60+ ASW
−
| '''100+ ASW'''
+
|{{Sonar}} required
−
| {{Sonar}} '''1 [[Sonar]] Equipped'''
+
| N/A
 
|-
 
|-
−
! rowspan=2| Any [[DE|Coastal Defense Ship]]
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| '''75+ ASW
−
| '''60+ ASW'''
+
|{{TextGlow|None|black|text-colour=lime|glow-size=1px}}
−
| {{Sonar}} '''1 [[Sonar]] Equipped'''
+
| Total of '''4+ ASW''' from equipment
 
|-
 
|-
−
| '''75+ ASW'''
+
! Any [[DD]], [[CL]], [[CLT]], [[CT]], [[AO]]<ref>Other [[ASW Shelling]] capable ships may be able to OASW, but cannot reach 100 ASW {{ASW}} using currently available equipment.</ref>
−
| Total of '''4+ ASW''' from equipment
+
| '''100+ ASW
 +
|{{Sonar}} required
 +
|rowspan=2| N/A
 
|-
 
|-
−
! {{Ship/Banner|Isuzu/Kai Ni|small=true}}<br>{{Ship/Banner|Tatsuta/Kai Ni|small=true}}<br>{{ItemStack|item={{Ship/Banner|Yuubari/Kai Ni D|small=true}}|text=Kai Ni D}}<br>{{Ship/Banner|Jervis/Kai|small=true}}<br>{{Ship/Banner|Janus/Kai|small=true}}<br>{{Ship/Banner|Fletcher|small=true}}<br>{{Ship/Banner|Johnston|small=true}}<br>{{Ship/Banner|Samuel B. Roberts/Kai|small=true}}
+
!  
−
| '''Can OASW innately'''
+
{|class="wikitable mw-collapsible mw-collapsed" width=260px|
−
| '''N/A'''
+
|Any DD, CL, CLT, CT, AO<br>with 50+ innate base {{ASW}}<ref name="Innate">The base ASW stat of the ship at Lv 1.</ref>
 
|-
 
|-
−
! Any [[CVL|Light Aircraft Carrier]]
+
|{{Ship/Link|Tatsuta/Kai Ni}}<br>{{Ship/Link|Isuzu/Kai Ni}}<br>{{Ship/Link|Yuubari/Kai Ni D}}<br>{{Class|Fletcher}}<ref>Kai only for [[Heywood L. Edwards]] and [[Richard P. Leary]].</ref><br>{{Class|John C. Butler|Kai/Mk.II}}<br>{{Class|J|Kai}}
−
| '''50+ ASW'''
+
|}
−
| {{Sonar}} '''+''' {{BluePlane}} {{ASWPlane}} {{Autogyro}}<br>'''[[Sonar]]''' + Any with '''[[:Category:ASW Aircrafts|7+ ASW]]'''
+
| '''N/A
 +
|{{TextGlow|None|black|text-colour=lime|glow-size=1px}}
 
|-
 
|-
−
!rowspan=2|Any [[CVE|Escort Carriers (CVE)]]
+
!Any [[BBV]]<ref>Excluding [[Hyuuga Kai Ni]]</ref>, [[LHA]]<ref>Only [[Yamato Kai Ni Juu]], [[Shinshuu Maru Kai]], and [[Kumano Maru Kai]] so far</ref>
−
| '''65+ ASW'''
+
|rowspan=2| '''100+ ASW
−
| {{BluePlane}} {{ASWPlane}} {{Autogyro}}<br>Any with '''[[:Category:ASW Aircrafts|7+ ASW]]'''
+
|rowspan=2|{{Sonar}} required
 +
|Any 1+ ASW {{ASW}}: {{SPB}} / {{Autogyro}} / {{Liaison}} / {{Dive Bomber}}
 
|-
 
|-
−
| '''100+ ASW'''
+
!{{Class|Fusou|Kai Ni}}
−
| {{Sonar}} '''+''' {{RedPlane}} {{BluePlane}} {{ASWPlane}} {{Autogyro}}<br>'''[[Sonar]]''' + Any with '''1+ ASW'''
+
|Any 1+ ASW {{ASW}}: {{SPB}} / {{Autogyro}} / {{Depth Charge}}
 
|-
 
|-
−
!{{Ship/Banner|Taiyou/Kai|small=true}}<br>{{Ship/Banner|Unyou/Kai|small=true}}<br>{{Ship/Banner|Shinyou/Kai|small=true}}<br>{{ItemStack|item={{Ship/Banner|Kaga/Kai Ni Go|small=true}}|text=Kai Ni Go}}
+
!colspan=4|
−
| '''N/A'''
 
−
| {{RedPlane}} {{BluePlane}} {{ASWPlane}} {{Autogyro}}<br>Any with '''1+ ASW'''
 
 
|-
 
|-
 
!{{Ship/Banner|Hyuuga/Kai Ni|small=true}}
 
!{{Ship/Banner|Hyuuga/Kai Ni|small=true}}
−
| '''N/A'''
+
| '''N/A
−
| {{Autogyro}}{{Autogyro}}'''2 {{EquipmentLink|Ka Type Observation Autogyro|O Type Observation Autogyro Kai|O Type Observation Autogyro Kai Ni|text=Autogyros|link_category=Autogyros}}'''<br>-or-<br>{{Autogyro}}'''1 {{EquipmentLink|S-51J|S-51J Kai|text=Helicopter|link_category=Helicopters}}'''
+
|{{TextGlow|None|black|text-colour=lime|glow-size=1px}}
 +
| {{Autogyro}}{{Autogyro}}'''2 {{EquipmentLink|Ka Type Observation Autogyro|O Type Observation Autogyro Kai|O Type Observation Autogyro Kai Ni|text=Autogyros|link_category=Autogyros}}'''<br>-or-<br>{{Autogyro}}'''1 {{EquipmentLink|S-51J|S-51J Kai|text=Helicopter|link_category=Helicopters}}
 +
|-
 +
!colspan=4|
 +
|-
 +
!rowspan=3| Any [[CVL]]<ref>The {{Class|Mogami|Kou Kai Ni}} cannot perform any OASW [https://discord.com/channels/118339803660943369/178613137430282240/1305127654017466428]</ref><ref>[[CVE]] should be used, as they are the only CVL with base ASW {{ASW}} stat.</ref>
 +
| '''50+ ASW
 +
|{{Sonar}} required
 +
|rowspan=2|Any [[ASW Aircraft|7+ ASW]] {{ASW}}: {{Torpedo Bomber}} / {{Liaison}} / {{Autogyro}}
 +
|-
 +
| '''65+ ASW
 +
|{{TextGlow|None|black|text-colour=lime|glow-size=1px}}
 +
|-
 +
| '''100+ ASW
 +
|{{Sonar}} required
 +
|rowspan=2|Any 1+ ASW {{ASW}}: {{Dive Bomber}} / {{Torpedo Bomber}} / {{Liaison}} / {{Autogyro}}
 
|-
 
|-
−
!{{Ship/Banner|Shinshuu Maru/Kai|small=true}}<br>{{Ship/Banner|Fusou/Kai Ni|small=true}}<br>{{Ship/Banner|Yamashiro/Kai Ni|small=true}}<br>{{ItemStack|item={{Ship/Banner|Yamato/Kai Ni Juu|small=true}}|text=Kai Ni Juu}}
+
!
−
| '''100+ ASW'''
+
{|class="wikitable mw-collapsible mw-collapsed" width=100%
−
| {{Sonar}} '''+''' {{SPB}} {{Autogyro}}<br>'''[[Sonar]]''' + [[SPB|Seaplane Bomber]] or [[:Category:Rotorcraft|Rotorcraft]]
+
|Any CV(L)<br>with 50+ innate base {{ASW}}<ref name="Innate"/>
 +
|-
 +
|{{Ship/Link|Kaga/Kai Ni Go}}<br>{{Class|Taiyou|Kai/Ni}}
 +
|}
 +
| '''N/A
 +
|{{TextGlow|None|black|text-colour=lime|glow-size=1px}}
 
|}
 
|}
 
<references/>
 
<references/>
  
−
See the list of [[:Category:Anti-submarine Weaponry|Anti-submarine Weaponry]] and [[:Category:ASW Aircrafts|ASW Aircrafts]] to better see what can help achieve OASW on a given ship.
+
See the list of [[:Category:Anti-submarine Weaponry|Anti-submarine Weaponry]] and [[ASW Aircraft]] to better see what can help achieve OASW on a given ship.
  
 
===Abyssals===
 
===Abyssals===
Line 71: Line 96:
 
* [[Light Cruiser Tsu-Class Flagship]]
 
* [[Light Cruiser Tsu-Class Flagship]]
 
* [[Light Carrier Nu-Class]] (Elite III, Elite IV, all Kai Elite, all Kai Flagship)
 
* [[Light Carrier Nu-Class]] (Elite III, Elite IV, all Kai Elite, all Kai Flagship)
−
* [[Ancient Destroyer Princess]] (all variants)
+
* [[Ancient Destroyer Princess II]]
 +
* [[Seaplane Tender Water Princess]] (all variants)
 
* [[Abyssal Kuriles Princess]] (all variants)
 
* [[Abyssal Kuriles Princess]] (all variants)
 
* [[Destroyer Forest Princess]] (Damaged variants unconfirmed)
 
* [[Destroyer Forest Princess]] (Damaged variants unconfirmed)
−
 
+
* [[American Destroyer Princess]] (most variants)
−
Other abyssals cannot perform OASW.
+
Other abyssals cannot perform OASW.</onlyinclude>
  
 
=Opening Torpedo Salvo=
 
=Opening Torpedo Salvo=
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Opening Torpedo salvo has the following trigger conditions:
 
Opening Torpedo salvo has the following trigger conditions:
−
* '''The ship is a Submarine ([[SS]]/[[SSV]]), at Lv.10 or higher.'''
+
* '''The ship is a Submarine ([[SS]]/[[SSV]]), at Lv.10 or higher.
 
** While other Abyssal ships are Lv.1, all Abyssal Submarines are Lv.50,
 
** While other Abyssal ships are Lv.1, all Abyssal Submarines are Lv.50,
−
** Abyssal submarines have an additional requirement of being '''Elite''' or '''Flagship''' tier.
+
** Abyssal submarines have an additional requirement of being '''"Elite"''' or '''"Flagship"''' tier.
−
* '''The ship is equipped with a {{Minisub}} [[:Category:Midget Submarine|Midget Submarine]].'''
+
* '''The ship is equipped with a {{Minisub}} [[Midget Submarine]].
 
** Midget Submarines are the {{EquipmentLink|Type A Kouhyouteki}}, {{EquipmentLink|Type C Kouhyouteki}}, and {{EquipmentLink|Type D Kouhyouteki Kai (Kouryuu Kai)}}.
 
** Midget Submarines are the {{EquipmentLink|Type A Kouhyouteki}}, {{EquipmentLink|Type C Kouhyouteki}}, and {{EquipmentLink|Type D Kouhyouteki Kai (Kouryuu Kai)}}.
−
** The [[Abyssal Cuttlefish Torpedo]] count as such for Abyssals, with other Abyssal equipment such as [[High-speed Abyssal Torpedo mod.2]], despite being classified as Midget Submarine, do not enable oTorp.
+
** The [[Abyssal Cuttlefish Torpedo]] counts as such for Abyssals, with other Abyssal equipment such as [[High-speed Abyssal Torpedo mod.2]], despite being classified as Midget Submarine, do not enable oTorp.
 +
* For [[Combined Fleet]]s, only ships in the escort fleet can perform oTorps.
 +
**This does not always apply to Abyssals, with many being able to perform them from the main fleet.
  
 
This phase follows the same rules as [[Combat/Day_Battle#Closing_Torpedo_Salvo|Closing Torpedo Salvo]], with some exceptions:
 
This phase follows the same rules as [[Combat/Day_Battle#Closing_Torpedo_Salvo|Closing Torpedo Salvo]], with some exceptions:
−
* Ships at {{color|orange|'''Moderate'''}} or {{color|red|'''Heavy'''}} damage can still fire torpedoes.
+
* Ships at '''{{Chuuha}}''' or '''{{Taiha}}''' can still fire torpedoes.
 
* If only submarines are left in the opposing fleet, torpedoes will randomly target them, never dealing damage, and always being displayed as "miss".
 
* If only submarines are left in the opposing fleet, torpedoes will randomly target them, never dealing damage, and always being displayed as "miss".
  
 
After the Opening Torpedo Salvo, the Day Battle Shelling starts (if there are any remaining ships on either side left).
 
After the Opening Torpedo Salvo, the Day Battle Shelling starts (if there are any remaining ships on either side left).
 +
 +
==Atoll Nodes==
 +
{{:Ka-Tsu}}
  
 
=See Also=
 
=See Also=
 
{{Mechanics}}
 
{{Mechanics}}

Latest revision as of 15:06, 1 June 2025

Combat Portal
AircraftAerial Combat ☀ Day Battle Night Battle PowerNight Battle
LBAS
Jet Assault  · AACI 		Battle Opening  · Artillery Spotting  · Anti-Submarine Warfare Cut-In
Support Expedition  · Special Attacks  · Anti-Installation  · Friendly Fleet  · Drop
Map Mechanics and Nodes  · Evacuation  · Damage Calculations  · Accuracy, Evasion and Criticals  · Shooting Order and Targeting


Battle Opening Breakdown

Battle Opening is one of the daytime combat intermediary phases, taking place immediately before the First shelling starts. In this phase, allied and enemy fleets launch attacks with the intent to disable or remove enemy targets before the combat proper starts. This grants either fleet substantial advantages by possibly disabling key ships on the opposing side.

Battle Opening has the following structure:

  • Opening ASW Shelling (OASW)
  • Opening Torpedo Salvo

In case neither fleets meet the requirements, the sub-phase will be skipped.

Opening ASW Shelling (OASW)

Commonly referred to as OASW (opening ASW). All eligible ships will perform a regular ASW Shelling attack, following range order in the same fashion as the First Shelling Phase. As these opening attacks happen before the Opening Torpedo Salvo, they may disable or even sink enemy submarines before they have a chance to attack.

OASW has the following trigger conditions:

  • Only ships listed below can trigger an OASW,
    • The ship is not required to be able to perform any ASW Shelling.
  • They must meet their specific ASW stat threshold and requirements, listed below,
  • For Combined Fleets, only ships in the escort fleet can perform OASW.
OASW Ship ASW Stat Required[1] Sonar
Required? 		Other Equipment Required[2][3][4]
Any DE 60+ ASW SONAR required N/A
75+ ASW None Total of 4+ ASW from equipment
Any DD, CL, CLT, CT, AO[5] 100+ ASW SONAR required N/A
Any DD, CL, CLT, CT, AO
with 50+ innate base Anti-Submarine Warfare[6]
Tatsuta Kai NiTatsuta Kai Ni
Isuzu Kai NiIsuzu Kai Ni
Yuubari Kai Ni DYuubari Kai Ni D
Fletcher-class[7]
John C. Butler-class Kai/Mk.II
J-class Kai
N/A None
Any BBV[8], LHA[9] 100+ ASW SONAR required Any 1+ ASW Anti-Submarine Warfare: Seaplane BomberBomber / Rotorcraft / Liaison Aircraft / Dive Bomber
Fusou-class Kai Ni Any 1+ ASW Anti-Submarine Warfare: Seaplane BomberBomber / Rotorcraft / Depth Charges
Ship Banner Hyuuga Kai Ni.png N/A None RotorcraftRotorcraft2 AutogyrosKa Type Observation Autogyro
O Type Observation Autogyro Kai
O Type Observation Autogyro Kai Ni
-or-
Rotorcraft1 HelicopterS-51J
S-51J Kai
Any CVL[10][11] 50+ ASW SONAR required Any 7+ ASW Anti-Submarine Warfare: Torpedo Bomber / Liaison Aircraft / Rotorcraft
65+ ASW None
100+ ASW SONAR required Any 1+ ASW Anti-Submarine Warfare: Dive Bomber / Torpedo Bomber / Liaison Aircraft / Rotorcraft
Any CV(L)
with 50+ innate base Anti-Submarine Warfare[6]
Kaga Kai Ni GoKaga Kai Ni Go
Taiyou-class Kai/Ni
N/A None
  1. ↑ The Required ASW Stat does include Visible Bonuses, but does not include Improvements.
  2. ↑ Visible Bonuses or Improvements do not count as equipment ASW (e.g. a +6 ASW equipment with +1 ASW bonus does not count as a +7 equipment but just as a +6 one).
  3. ↑ When applicable, if all relevant ASW aircraft are in zero plane slots, and no bomber Dive Bomber/Torpedo Bomber with 1+ Anti-Submarine Warfare are present in non-zero plane slot, the ship cannot OASW.
  4. ↑ Regardless of their ASW stat, FighterNight Fighter Fighters or Reconnaissance Aircraft Carrier Recons cannot trigger any OASW.
  5. ↑ Other ASW Shelling capable ships may be able to OASW, but cannot reach 100 ASW Anti-Submarine Warfare using currently available equipment.
  6. ↑ 6.0 6.1 The base ASW stat of the ship at Lv 1.
  7. ↑ Kai only for Heywood L. Edwards and Richard P. Leary.
  8. ↑ Excluding Hyuuga Kai Ni
  9. ↑ Only Yamato Kai Ni Juu, Shinshuu Maru Kai, and Kumano Maru Kai so far
  10. ↑ The Mogami-class Kou Kai Ni cannot perform any OASW [1]
  11. ↑ CVE should be used, as they are the only CVL with base ASW Anti-Submarine Warfare stat.

See the list of Anti-submarine Weaponry and ASW Aircraft to better see what can help achieve OASW on a given ship.

Abyssals

Abyssal ships do not follow these rules. The following may perform OASW unconditionally:

Other abyssals cannot perform OASW.

Opening Torpedo Salvo

Commonly referred to as oTorp (opening torpedo). Eligible ships will fire an Opening Torpedo attack. This attack behaves similarly to the Closing Torpedo attack, with the difference that it will be launched regardless of the ship's damage state.

Opening Torpedo salvo has the following trigger conditions:

This phase follows the same rules as Closing Torpedo Salvo, with some exceptions:

  • Ships at ChuuhaModerately Damaged (中破) or TaihaHeavily Damaged (大破) can still fire torpedoes.
  • If only submarines are left in the opposing fleet, torpedoes will randomly target them, never dealing damage, and always being displayed as "miss".

After the Opening Torpedo Salvo, the Day Battle Shelling starts (if there are any remaining ships on either side left).

Atoll Nodes

Ka-Tsu Animation
Ka-Tsu:
Katsu animation 2.png
Ka-Tsu Kai:
Katsu kai animation 2.png

Uniquely on "Atoll Nodes", it is possible to deploy the Amphibious Vehicle Ka-Tsu tanksSpecial Type 4 Amphibious Tank
Special Type 4 Amphibious Tank Kai to trigger a special Opening Torpedo Salvo.

  • On those nodes, regular oTorp will not work,
  • This can only be deployed by SS, SSV, and the AV Mikuma Kai Ni Toku, Nisshin A, and Mizuho Kai fast,
    • They must carry at least one Ka-Tsu tank,
  • On the "atoll node", ships meeting those requirements will carry out a special opening torpedo attack,
  • In night battle, those ships will additionally trigger the same attack as a cutin,
    • This attack overrides regular Night Cut-ins attacks (e.g. if a ship is setuped for a TCI, it will still trigger the Ka-Tsu attack).
  • Using several Ka-Tsu tanks on a same ship will make it carry out several of those attacks in a row (day and night),
    • It capped at 2 attacks per ship at night.
    • This attack utilizes a new special animation, with the tank climbing the atoll's soil.

See Also

v · e
Game Mechanics
Ship Mechanics • Equipment Mechanics
General Combat
Combat Calcultaions
Remodels/Upgrades
Others
Other
Defunct Mechanics
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