Spring 2013 Event

Event begin on May 17th, 2013 and lasted until June 5th, 2013.

Map Details

E-1 - 前哨戦 (☆☆☆)

• Boss health does not regenerate.
  

  E-1 Map
• Reward Repair Goddess upon clearing.

E-2 - 警戒線突破 (☆☆☆☆)

• Boss health does not regenerate.
  

  E-2 Map
• Reward 46cm Triple Cannon upon clearing.

E-3 - 湾内突入！ (☆☆☆☆☆)

• Boss health regenerate one gauge every two hours.
  

  E-3 Map
• Reward Shoukaku upon clearing.

E-4 - 敵泊地強襲！ (☆☆☆☆☆☆☆)

• Boss health regenerate one gauge every hour.
  

  E-4 Map
• Reward Shinden Kai (震電改) upon clearing.