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