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Submarine Supply Material

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Item Card Submarine Supply Material.png

Submarine Supply Materials are consumed to trigger the special "Submarine Special Attack".



These supplies are used by submarine fleets commanded by a submarine tender as flagship during submarine attacks.
※ Consumed during the attack.

How to obtain


Purchasable in the Shop:

  • 500 DMM points for 3.


Events and limited quests can reward Submarine Supply Material.

  • Due to the uncertainty of such rewards, please check the current event/quest page for up-to-date details.


Submarine Supply Materials are essential for the Submarine Touch, a Special Attack involving a submarine tenderTaigei
leading a fleet of at least two submarines.

  • Two SS(V) will launch a torpedo strike.
    • The number of attacks per Touch is random from 2 to 4.
  • The attack power is postcapped and unaffected by formation, engagement, nor damage cap.
  • A rough damage formula per Submarine attack is:
[math]\displaystyle{ \text{DMG}_\text{day} = \text{TP} \times ( 1.2 + 0.04 \times \sqrt{LV} ) }[/math]

[math]\displaystyle{ \text{DMG}_\text{night} = ( \text{FP + TP} ) \times ( 1.2 + 0.04 \times \sqrt{LV} ) }[/math]

  • [math]\displaystyle{ \text{DMG} }[/math] the damage result for day and night battle respectively,
  • [math]\displaystyle{ \text{FP} }[/math] the submarine's Firepower Firepower stat,
  • [math]\displaystyle{ \text{TP} }[/math] the submarine's Torpedo Torpedo Attack stat,
  • [math]\displaystyle{ \text{LV} }[/math] the submarine's Level.
    • [math]\displaystyle{ 1.2 + 0.04 \times \sqrt{LV} = 1.6 }[/math] at Lv 100.

  • One Submarine Supply MaterialSubmarine Supply Material will be consumed for EACH battle the Touch triggers in.
    • If the Touch triggers twice in a battle, only a single Item Card Submarine Supply Material.png will be consumed for this battle.
    • If the Touch triggers in multiple nodes, one Item Card Submarine Supply Material.png will be consumed for each node it is triggered.
  • It does not consume any extra ammo.

  • It has a chance to trigger every time the AS takes a turn at shelling. If it fails to trigger during the day battle, there is a chance to trigger it in the follow-up night battle.
    • It can trigger in both day and night for the same battle.
  • It can be activated multiple times per sortie.


See Also