Special Attacks/Yamato Touch

Yamato gains two different special attacks on Kai Ni/Juu, distinguished by how many ships participate:

• The 2-ship touch, for the Yamato-class,
• The 3-ship touch', for Yamato Kai Ni/Juu only.

Devs also have stated that the touch helpers will be updated with relevant ship implementation [1].

• So far have been added:
  • Jean Bart for the 2-ship touch,
  • Maryland+Colorado, Kongou+Haruna/Kirishima, Hiei+Kirishima, Richelieu+Jean Bart, Nelson+Rodney, and Warspite+Valiant for the 3-ship touch.
  • Massachusetts has not yet been added as any touch helpers.

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Yamato-class 2-Ship Special Attack

At Kai Ni/Juu, Yamato and Musashi gain a special attack:

• Activation requirements
• Multiplier
• Cost
• Trigger Rate
• Voiceline

"Touch Helpers"
Yamato Flagship:	Musashi Flagship:
Kai/Deux	Kai Ni/Juu

• A Yamato-class Kai Ni/Juu must be flagship.
  • Secretary for combined fleets.
  • She must not be more than lightly damaged (小破).
• Another "Touch Helper" must be in the 2nd position.
  • She must not be more than lightly damaged (小破).
  • When using Musashi Kai Ni as the helper in the 2nd position with a Nagato-class Kai Ni in the 3rd one being lightly damaged (小破) or better, there is a random chance to trigger the "3-Ship Special Attack" instead.

• There must be 6 or more surface ships in the fleet.
  • There must be no submarine in 6-ship fleets. In 7-ship fleets, only 1 submarine is allowed.
  • There must be no surface ship in the fleet sunk or evacuated via FCF
    during a sortie, making the remaining total < 6. Ships in the escort fleet are not counted.

• In single fleet, Echelon needs to be selected.
• In a combined fleet, Cruising Formation 4 needs to be selected.
• The touch can activate even if Yamato Kai Ni Juu is equipped with ASW equipment when facing a fleet mixed with submarines.

If triggered:

• The flagship will do a 1st & 2nd attack,
• The Helper will do a 3rd attack,
• Each attack targets a ship at random,
• If all enemies sunk, then touch stops early.

Equipment	Yamato Kai Ni Juu 2nd		Yamato-class Kai Ni 2nd		Other Helpers
	Attacks 1 & 2	Attack 3	Attacks 1 & 2	Attack 3	Attacks 1 & 2	Attack 3
No Bonus Equipment	1.54	1.94	1.54	1.86	1.40	1.55
Surface Surface Radar Only	1.77	2.23	1.77	2.14	1.61	1.78
Sp Very large radar Only	1.96	2.45	1.95	2.35	1.77	1.96
AP Shells Only	2.08	2.62	2.08	2.51	1.89	2.09
AP + Surface Radar	2.39	3.01	2.39	2.89	2.17	2.41
AP + Sp Very large radar	2.63	3.31	2.63	3.18	2.39	2.65

• The modifiers are post-cap on day battle, and pre-cap on night battle.
• The equipment bonuses do not stack further than 1 radar and/or 1 AP shell per ship.
  • Only ships equipped with those equipment will get a bonus for their attack(s).

The attack will consume extra ammo from participating ships when triggered. The total ammo consumption will be x1.6 of the original ammo consumption of those ships when the attack is triggered.

The touch:

• Can be triggered even if artillery spotting fails to activate.
• Can only be activated once per sortie.
• Has a chance to trigger every time the flagship takes a turn at shelling.
  • In single fleet, if it fails to trigger in day battle, there is a chance to trigger it in the follow-up night battle.
• The rate is:

[math]\displaystyle{ \text{Trigger}_\text{Rate}\text{%} = \Biggl\lfloor \sum_\text{Ships} \sqrt{\text{Lv}} + 1.25 \times \sum_\text{Ships} \sqrt{\text{Luck}} + \text{A} + \text{B} + 33 \Biggr\rfloor }[/math]

With

• [math]\displaystyle{ \text{Lv} }[/math] the Level of the participating ships,
• [math]\displaystyle{ \text{Luck} }[/math] the Luck of the participating ships,
• [math]\displaystyle{ \text{A} }[/math] the helper bonus, being:
  • 4 if Yamato is helper,
  • 7 if Musashi is the helper,
  • 0 otherwise.
• [math]\displaystyle{ \text{B} }[/math] the bonus for equipping Radars with ( Acc ≥ 8?), being:
  • 10 if 1 ship has a radar,
  • 20 if both ships have a radar,
  • 0 otherwise.

Ship	Japanese/English	CollapseNotes
Yamato Play	Yamato, leading the attack! Musashi, follow me! 1st Fleet, all guns, full salvo!	Special Attack Line with Musashi
	大和、突撃します！武蔵続いてッ！第一戦隊、全主砲、全力斉射ッ！
Yamato Play	Yamato, leading the attack! 2nd ship, please follow my lead! All guns, full salvo!	Special Attack Line
	大和、突撃します！二番艦も続いてください！全主砲、斉射ッ！
Musashi Play	Oh, Yamato. Forming a battlegroup with you feels so natural. This is what it means to be a battleship.	Special Attack Line with Yamato
	おう、大和よ、お前とこうして戦隊を組むのは格別だな。これが戦艦だ。

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Yamato 3-Ship Special Attack

At Kai Ni/Juu, Yamato gains a special attack:

• Activation requirements
• Multiplier
• Cost
• Trigger Rate
• Voiceline

• Yamato Kai Ni/Juu must be the flagship.
  • Secretary for combined fleets.
  • She must not be more than lightly damaged (小破).
• A pair of ships from a same "Helper Pair" must be in the 2nd and 3rd positions.
  • They must not be more than lightly damaged (小破).
  • When using Musashi Kai Ni as the helper in the 2nd position with a Nagato-class Kai Ni in the 3rd one:
    • If the 3rd ship is lightly damaged (小破) or better, there is a random chance to trigger the "2-Ship Special Attack" instead.
    • If the 3rd ship is moderately damaged (中破) or worse, the "2-Ship Special Attack" will trigger instead.

• There must be 6 or more surface ships in the fleet.
  • There must be no submarine in 6-ship fleets. In 7-ship fleets, only 1 submarine is allowed.
  • There must be no surface ship in the fleet sunk or evacuated via FCF
    during a sortie, making the remaining total < 6. Ships in the escort fleet are not counted.

• In single fleet, Echelon needs to be selected.
• In a combined fleet, Cruising Formation 4 needs to be selected.
• The touch can activate even if Yamato Kai Ni Juu is equipped with ASW equipment when facing a fleet mixed with submarines.

"Helper Pairs"
One of the following pairs:
Musashi Kai Ni 2nd ship:		In any order:
Musashi Kai Ni + 1 Nagato-class Kai Ni		Kongou Kai Ni C + 1 Kongou-class Kai Ni B/C 2 Nagato-class Kai Ni 2 Ise-class Kai Ni 2 Fusou-class Kai Ni 2 Colorado-class Kai 2 Queen Elizabeth-class Kai 2 Nelson-class Kai 2 V.Veneto-class Kai 2 Richelieu-class Kai/Deux

If triggered:

• Yamato will do a 1st attack,
• The 2nd ship will do a 2nd attack,
• The 3rd ship will do a 3rd attack,
• Each attack targets a ship at random,
• If all enemies sunk, then touch stops early.

Equipment	Musashi Kai Ni (& Helper )		Nagato-class Pair	Ise-class Pair		Other "Helper Pairs"	Any "Helper Pairs"
	Attacks 1	Attacks 2	Attack 1 & 2	Attacks 1	Attacks 2	Attack 1 & 2	Attacks 3
No Bonus Equipment	1.65	1.80	1.65	1.65	1.58	1.50	1.65
Surface Surface Radar Only	1.90	2.07	1.90	1.90	1.80	1.73	1.90
Sp Very large radar Only	2.09	2.28	2.09	2.09	1.99	1.90
AP Shells Only	2.23	2.43	2.23	2.23	2.13	2.03	2.23
AP + Surface Radar	2.56	2.79	2.56	2.56	2.45	2.33	2.56
AP + Sp Very large radar	2.82	3.07	2.82	2.82	2.69	2.56

• The modifiers are post-cap on day battle, and pre-cap on night battle.
• The equipment bonuses do not stack further than 1 radar and/or 1 AP shell per ship.
  • Only ships equipped with those equipment will get a bonus for their attack(s).

The attack will consume extra ammo from participating ships when triggered. The total ammo consumption will be x1.8 of the original ammo consumption of those ships when the attack is triggered.

The touch:

• Can be triggered even if artillery spotting fails to activate.
• Can only be activated once per sortie.
• Has a chance to trigger every time the flagship takes a turn at shelling.
  • In single fleet, if it fails to trigger in day battle, there is a chance to trigger it in the follow-up night battle.
• The rate is probably:

[math]\displaystyle{ \text{Trigger}_\text{Rate}\text{%} = \Biggl\lfloor \text{V} \times \sum_\text{Ships} \sqrt{\text{Lv}} + \text{W} \times \sum_\text{Ships} \sqrt{\text{Luck}} + \text{X} + \text{Y} \Biggr\rfloor }[/math]

With

• [math]\displaystyle{ \text{Lv} }[/math] the Level of the participating ships,
• [math]\displaystyle{ \text{Luck} }[/math] the Luck of the participating ships,
• [math]\displaystyle{ \text{V & W} }[/math] some yet unknown bonus factors,
• [math]\displaystyle{ \text{X} }[/math] some yet unknown bonus variables,
• [math]\displaystyle{ \text{Y} }[/math] some yet unknown base rate.

It is notably affected by:

• The Level and luck stat of the participating ships,
• Surface Radars (5+ LoS?) on attacking ships (+8~10 %).

It is currently measured above 70 %.

Ship	Japanese/English	CollapseNotes
Yamato Play	Yamato, leading the attack! 2nd ship, please follow my lead! All guns, full salvo!	Special Attack Line
	大和、突撃します！二番艦も続いてください！全主砲、斉射ッ！

Main source: [2]