Here is the full list of all 53 The Last Faith achievements.
Defeat the Old Wymond.
Defeat the Starlight Beast of Illygarth.
Accept the Throne.
Be consumed by the Cosmic Voice.
Defeat Caterina and Annabella.
Defeat Lord Laddak.
Defeat Leena.
Defeat the Cold One Beast.
Acquire all Federal Era Belts.
Use the Stigma of Transcendence.
Acquire the Celestial Larva.
Defeat Manfredd the Accursed.
Defeat Lisa.
Raise any stat to level 50.
Finish Lady Annika’s quest.
Defeat the second Starborn Nighthunter.
Perform 30 execution moves.
Defeat the Voracious Terror.
Defeat the Burnt Apostate.
Finish Lucyl’s quest.
Finish Helenya’s quest.
Acquire the Propulsion Boots.
Defeat Yegor and Leena.
Defeat the first Starborn Nighthunter.
Acquire the Nighthunter’s Grappling Claw.
Defeat Edwyn the Shadowscourge Horror.
Spend over 50,000 Nycrux.
Acquire the Technological Lens.
Acquire the Gravitational Ring.
Defeat Dr. R. Hermann.
Defeat the Winged Pale Laments.
Kill 100 enemies.
Defeat the Giant Patron.
Defeat the Harbinger of Nightmare.
Defeat Nyxaroth the Eldritch Wight.
Defeat Medeya.
Acquire every Sepolcro.
Deliver all of the blueprints to Mariano.
Acquire all Healing Holsters.
Finish Aldrich's quest.
Finish Madelyne and Theodora's quest.
Deliver all the dried livers to Lady Dorothea.
Deliver all the Unborn of the Midnight Aristocracy to the Woman in Ink.
Acquire all primary weapons.
Acquire all firearms.
Acquire all spells.
Upgrade any primary weapon to its maximum level.
Upgrade any secondary weapon to its maximum level.
Acquire both of Esk’s eyes.
Find all notes.
Parry 50 incoming attacks.
Reach the true ending.
Unlocked all achievements for The Last Faith.