3-1: Island Hopping

Battle 1: Objective: Destroy all targets (1/1), Defeat all bosses (1/1). Rewards include EXP, Credits, A-Points, and various T1 parts and equipment.

Battle 2: Objective: Endure for 120 seconds. You only need to survive against Ayanami. Rewards include EXP, Credits, A-Points, M Isomer Ayanami, and T1 Torpedo Part.

Battle 3: Objective: Defeat all targets (2/2), Defeat all bosses (3/3). Rewards include EXP, Credits, A-Points, M Isomers for Hamakaze and Akashi, and various T1/T2/T3 equipment.

Battle 4: Objective: Defeat all targets (2/2), Defeat all bosses (1/1). Defeat Yamashiro and MPV, then Kongou to end the battle. Rewards include EXP, Credits, A-Points, M Isomers for Kongou and Yamashiro, and various T1 equipment.

Battle 5: Objective: Defeat all targets (1/1), Defeat all targets (2/2), Destroy all bosses (4/4). Defeat 3 MPVs and Takao. This is a good farming spot for A-Points. Rewards include EXP, Credits, A-Points, M Isomer Takao, and various T1 equipment.

Battle 6: Objective: Destroy all targets (1/1), Defeat all targets (2/2), Destroy all bosses (3/3). Rewards include EXP, Credits, A-Points, M Isomers for Haruna and Mikasa, and various T1/T3 equipment.

Battle 7: Objective: Defeat all bosses (1/1). A 3v1 battle against Yukikaze, who is sturdy and has self-healing. Focus on high damage output. Rewards include EXP, Credits, A-Points, M Isomers for Yukikaze and Shiratsuyu, and Lucky Paper Crane.

Battle 8: Objective: Destroy all targets (3/3), Defeat all bosses (2/2). Defeat Ayanami and Yukikaze. Rewards include EXP, Credits, A-Points, M Isomers for Ayanami and Yukikaze, and various T1/T3 equipment.

Battle 9: Objective: Defeat all bosses (3/3). A 3v3 battle against Takao, Atago, and Yamashiro. Recommended to have upgraded equipment and leveled ship girls. Rewards include EXP, Credits, A-Points, M Isomers for Atago, Takao, and Yamashiro, and T1 equipment.