Full list of all 46 Neptunia x SENRAN KAGURA: Ninja Wars achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Asuka joined your party.
Defeated Demon Bull.
Defeated the mysterious black-clothed ninja "???."
Gathered information for the first time in NinChat.
Victorious in your first battle.
Connected Ninja Art Trigger to the end with any character.
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Brought the Super Ninja War to an end.
Completed all requests from the Kumotsu Shrine.
Completed all of Yomi Training.
Reached 50% completion of all requests.
Defeated 1,000 enemies.
Cleared Peaches & Cream Meditation with all characters.
Connected Ninja Art Trigger to the end with all characters.
Activated the Spirit Gem bonus to its maximum.
Traveled 10,000m.
Acquired 1,000,000 total Nin.
Opened all the treasure boxes.
Defeated the Steeme Legion Captain.
Homura joined your party.
Stretched your wings in the public bath.
Yuuki joined your party.
Yumi and Miyabi joined your party.
Goh The Crow joined your party.
Defeated Steamax.
Defeated Affimojas.
Defeated Duplex.
Defeated Dayuu Youtsubo.
Defeated Yoh Gamer.
Borrowing everyone's strength, defeated Evil Spirit Phantomakia.
Struggled with Peaches & Cream Meditation with everyone.
Defeated 100 enemies.
Defeated 500 enemies.
Activated Shinobi Extreme with all characters.
Gave an enemy a status effect with a Ninja Weapon 10 times.
Synthesized a Spirit Gem for the first time.
Activated a Spirit Gem bonus for the first time.
Maxed the level of a Spirit Gem.
Used all 4 types of the Fuurinkazan Drive.
Reached level 50 with any character.
Used skills 100 times.
Used skills 500 times.
Entered free dungeon mode 10 times.
Cleared Peaches & Cream Meditation with any character.
Cleared "Hard" difficulty of Peaches & Cream Meditation.
Completed the game in Normal or Hard Mode.