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