Here is the full list of all 50 Bayonetta achievements. It takes around 35-40 hours to unlock all of the achievements on Windows.
Complete all Chapters on ∞ Climax difficulty.
Obtain seven complete Angelic Hymn Gold LPs.
Complete Chapters 14 through the Epilogue on Hard difficulty.
Complete all Chapters on Hard difficulty.
Complete all Alfheim portals.
Discover all Alfheim portals.
Discover all of the Umbra Witches' final resting places.
Collect all of Antonio's Notes.
Earn Platinum Medals during Verse 1 and Verse 2 of Chapter 14.
Complete Chapters 12 and 13 on Hard difficulty.
Complete Chapters 8 through 11 on Hard difficulty.
Destroy all the tentacles that drop down together during in single sequence in Chapter 9.
Freeze 20 enemies while wearing Odette.
Complete Chapters 5 through 7 on Hard difficulty.
Complete half of all Alfheim portals.
While never setting foot on the ground, grab enemies 10 times using Kulshedra.
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.
Kill 20 enemies using only Iai-Jutsu with Shuraba. (Iai-Jutsu performed by holding the Y button.)
Execute 50 Torture Attacks.
Counter three enemy attacks consecutively with the Moon of Mahaa-Kalaa equipped.
Engage Witch Time successfully 10 times consecutively.
Counter 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.
Avert 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.
Create 20 Concoctions.
Purchase all techniques.
Purchase three new techniques.
Complete all Chapters on any difficulty.
Complete Chapters 14 through the Epilogue on Normal difficulty.
Complete all Chapters on Normal difficulty.
Defeat Father Balder on any difficulty.
Defeat Sapientia on any difficulty.
Complete Chapters 12 and 13 on Normal difficulty.
Defeat Iustitia on any difficulty.
Complete Chapters 8 through 11 on Normal difficulty.
Earn 10 Platinum Medals. Must be earned in 10 different battles.
Discover half of all the Umbra Witches' final resting places.
Execute 20 Wicked Weave attacks while using Dodge Offset.
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.
Obtain three complete Angelic Hymn Gold LPs.
Defeat Fortitudo on any difficulty.
Complete Chapters 1 through 4 on Normal difficulty.
Execute a Wicked Weave attack while using Dodge Offset.
Dodge the runaway streetcar during Chapter 2.
Complete the Vestibule.
Execute a Torture Attack.
Kill an enemy by jumping on top of them.
Engage Witch Time successfully 10 times.