USS William D. Porter

When the battle starts: decreases this ship's LCK by 1 and increases the LCK of all other ships in your Surface Fleet by 1. When this ship fires her torpedoes: fires 1 torpedo at your Flagship and grants your Flagship the Emergency Maneuvers buff for 10s (increases your Flagship's EVA by 15.0% and Evasion Rate by 10.0%, and increases the DMG dealt of your Flagship and your Eagle Union ships by 10.0%). When the Emergency Maneuvers buff ends, if your Flagship is still afloat, William D. Porter recovers 8.0% of her max HP.

Every 5s after the battle starts: fires a Lv.10 torpedo barrage (DMG is based on the skill's level). Every 2 times this ship fires her Main Guns: performs a Lv.10 special attack (DMG is based on the skill's level); enemies hit by this attack have their ACC decreased by 8.0% and DMG taken increased by 5.0% for 4s (this debuff also spreads to other enemies that are within 20 units of the affected enemies). 5s after a fleet this ship is NOT in starts a battle, if this ship is afloat: performs a Lv.10 supporting attack (DMG is based on the skill's level).

Increases this ship's FP, TRP, and AA by 15.0%. When the battle starts, if there is another ship in your Vanguard: increases this ship's Anti-Air Gun efficiency by 50.0%. Once per battle, when 7 enemy aircraft have been shot down within your AA Gun Range: decreases this ship's DMG taken by 15.0% and increases the AA of your Vanguard by 30.0% until the battle ends. 15s after the battle starts: drops a depth charge, and all your other ships enter the Attention Underwater state (increases ASW by 15.0%) for 50s.

Activates All Out Assault II: William D. Porter once every 10 times the Main Guns are fired.