Here is the full list of all 50 Bayonetta achievements. It takes around 35-40 hours to unlock all of the achievements on Windows.
Freeze 20 enemies while wearing Odette.
Kill 20 enemies using only Iai-Jutsu with Shuraba. (Iai-Jutsu performed by holding the Y button.)
Counter three enemy attacks consecutively with the Moon of Mahaa-Kalaa equipped.
Counter 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.
Avert 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.
Purchase all techniques.
Purchase three new techniques.
Complete all Chapters on ∞ Climax difficulty.
Create 20 Concoctions.
Obtain seven complete Angelic Hymn Gold LPs.
Complete Chapters 14 through the Epilogue on Hard difficulty.
Complete all Chapters on Hard difficulty.
Complete Chapters 12 and 13 on Hard difficulty.
Complete Chapters 8 through 11 on Hard difficulty.
Complete Chapters 5 through 7 on Hard difficulty.
Complete Chapters 1 through 4 on Hard difficulty.
Taunt and defeat five plus angered enemies while taking no damage. Gaze of Despair may be equipped.
Earn Platinum Medals during Verse 1 and Verse 2 of Chapter 14.
Complete all Chapters on any difficulty.
Complete Chapters 14 through the Epilogue on Normal difficulty.
Complete all Chapters on Normal difficulty.
Complete all Alfheim portals.
Discover all Alfheim portals.
Defeat Father Balder on any difficulty.
Discover all of the Umbra Witches' final resting places.
Collect all of Antonio's Notes.
Defeat Sapientia on any difficulty.
Complete Chapters 12 and 13 on Normal difficulty.
Earn 10 Platinum Medals. Must be earned in 10 different battles.
Defeat Iustitia on any difficulty.
Complete Chapters 8 through 11 on Normal difficulty.
Destroy all the tentacles that drop down together during in single sequence in Chapter 9.
Discover half of all the Umbra Witches' final resting places.
Defeat Temperantia on any difficulty.
Complete Chapters 5 through 7 on Normal difficulty.
Defend Cereza during the out of body experience, ensuring she takes no damage.
Complete half of all Alfheim portals.
While never setting foot on the ground, grab enemies 10 times using Kulshedra.
Defeat Fortitudo on any difficulty.
Complete Chapters 1 through 4 on Normal difficulty.
Obtain three complete Angelic Hymn Gold LPs.
Kill an enemy by jumping on top of them.
Execute 50 Torture Attacks.
Execute 20 Wicked Weave attacks while using Dodge Offset.
Execute a Wicked Weave attack while using Dodge Offset.
Dodge the runaway streetcar during Chapter 2.
Engage Witch Time successfully 10 times consecutively.
Complete the Vestibule.
Execute a Torture Attack.
Engage Witch Time successfully 10 times.