Here is the full list of all 44 Onechanbara Z2: Chaos achievements.
Air-dodge 500 times.
Clear 50 stages without taking damage.
Defeat 50 bosses without taking damage.
Defeat 500 enemies with Aya's knife or Saki's counter.
Collect all accessories (not including DLC).
This Must Be Your Favorite Game
Defeat 100 enemies through stomping.
Clear all missions in any difficulty with a V rank.
Clear all chapters of story mode in Berserk difficulty.
Defeat 1,000 enemies with Aya or Saki's Xtasy.
Defeat 1,000 enemies with Kagura or Saaya's Dare Drive.
Clear all chapters of story mode in Violent difficulty.
Engage Dare Drive or Xtasy 100 times.
Make use of all goddess statues in story mode.
Obtain all weapons and rings.
Obtain 100 V Ranks in your stage results.
Perform 50 COOL Combination Finishers.
Clear all chapters of story mode in Hard difficulty.
Clear all missions in any difficulty with any rank.
Defeat 100 bosses.
Call Kagura or Aya 150 times in Cross Merge Combination.
Defeat 300 enemies by launching them out of bounds.
Defeat 2,000 enemies in Cross Merge Combination.
Defeat 10,000 enemies.
Call Saaya or Saki 150 times in Cross Merge Combination.
Achieve a 500-hit combo 30 times.
Defeat 1,500 enemies with physical attacks.
Clear all chapters of story mode in Casual or Medium difficulty.
Defeat Evange (Xtatic).
Defeat Misha (Xtatic).
Obtain all characters' moves.
Learn Aya's Xtasy.
Save up 500,000 yellow orbs.
Perform 3,000 consecutive kills.
Defeat 1,000 enemies in midair.
Use Aya or Saki's Ecstasy Combination 100 times.
Use Kagura or Saaya's Ecstasy Combination 100 times.
Defeat 1,500 enemies with slash attacks.
Chase 500 times.
Spin 1,000 enemies.
Begin Chapter 3 in story mode.
Learn Kagura's Dare Drive.
Begin Chapter 2 in story mode.
Begin the game.