Here is the full list of all 46 Disgaea 6 Complete achievements.
Reach a total of 5,000 levels through EXP distribution.
Super Reincarnate 10 times via the Dark Assembly.
Clear Ep. 1: The Dramaturgy of Reincarnation.
Obtain all other achievements.
Clear Ep. 2: The King and The Hero.
Clear Ep. 3: Happily Never After.
Clear Ep. 4: The Meaning of Justice.
Clear Ep. 5: The Magical Wand of Transformation.
Clear Ep. 6: Lord of the Ka-Chings.
Clear Ep. 7: For Whom the Belle Sings.
Clear Ep. 8: To See Justice Through!
Clear Ep. 9: Tragedy's Refrain.
Clear Ep. 10: The Final Battle.
Clear Act 2, Ep. 1: Night of the Living Bieko.
Clear Act 2, Ep. 2: The Root of a Significant Amount of Evil.
Clear Act 2, Ep. 3: Dawn of the Bieko.
Clear Act 2, Ep. 4: Reincarnations Crossing.
Clear Act 2, Ep. 5: Unwavering Heart.
Enter the Carnage Dimension.
Conquer the Carnage Dimension.
Enter the Rakshasa Dimension.
Conquer the Rakshasa Dimension.
Jump 100 times at the Base.
Jump 1,000 times at the Base.
Pass a bill that gives you a trophy.
Nullify all Geo Panels with a Geo Chain of 5 or more.
Pay Up 100,000,000 HL at the Dark Assembly.
Get a Game Over.
Watch 20 skits.
Use the Juice Bar over 255 times.
Manually edit and equip a D.I.
Begin a second playthrough.
Exceed 50% D-Merit completion.
Destroy 20 objects on the map.
Claim all prizes from the Netherworld Hospital.
Carry out 100 Item World Research expeditions.
Create 50 new characters.
Perform 20 combos.
Get 50 One Time Bonuses in your first playthrough.
Unlock all character classes and ranks.
Own over 10,000,000,000 HL.
Max out an item's level.
Obtain an epic item.
Obtain a legendary weapon from the Item World.
Level up to Lv 99,999,999.
Deal over 100,000,000,000,000 damage to an enemy.