Here is the full list of all 50 Ninety-Nine Nights II (JP) achievements worth 1,000 gamerscore.
Battle your way through the game with the difficulty set at high
Obtained character color variations for all characters.
Perform 300 flash attacks.
Battle your way through the game with all the heroes.
Battle your way through the game with a hero.
Obtain 80% of all accessories.
Block 300 attacks.
Evade 300 attacks.
Block 100 attacks.
Achieved 80% of Result Rank A.
Completed Levv's story.
Completed Zazi's story.
Raise your weapon level to the maximum level.
Obtained 50% of accessories.
Achieved 50% of Result Rank A.
Completed Sephia's story.
Obtained a character color variation.
Achieved 20% of Result Rank A.
Achieved the highest accessory level for the first time.
Obtained all level 5 weapons.
Obtained Maggni's level 5 weapon.
Obtained Sephia's level 5 weapon.
Obtained 20% of accessories.
Evade 100 attacks.
Obtained Levv's level 5 weapon.
Obtained Zazi's level 5 weapon.
Completed 50% of the total number of stages in network mode.
Obtained Galen's level 5 weapon.
Used skills a total of 500 times.
Perform 100 flash attacks.
Score 3,000 hits.
Equipped accessories in all slots.
Equipped accessories in all passive slots first.
Completed the first chapter in network mode.
Uploaded results to the leaderboard for the first time.
Increased an accessory's level for the first time.
Defeated an enemy with Orb Attack level 3.
Equipped accessories in all active slots first.
Used skills a total of 100 times.
Achieved a total of 3,000 air combo hits.
Defeated an enemy with Orb Spark level 3.
Achieved 1000 land combo hits.
Achieved a total of 1000 air combo hits.
Increased a character's level for the first time.
Increased a weapon's level for the first time.
Obtained an item from a recovery jar.
Opened a treasure chest for the first time.
Used a skill for the first time.
Used a unique character action for the first time.