'''NPC Friend Fleets''' were introduced in the [[Winter 2018 Event]] as a new mechanic that would appear in various event maps where during boss fleet battles when you entered into night battle, an extra fleet would appear in the start of the fight to lend a hand in battle and deliver extra damage against the enemy fleet. | '''NPC Friend Fleets''' were introduced in the [[Winter 2018 Event]] as a new mechanic that would appear in various event maps where during boss fleet battles when you entered into night battle, an extra fleet would appear in the start of the fight to lend a hand in battle and deliver extra damage against the enemy fleet. |