Here is the full list of all 53 The Last Faith achievements.
Accept the Throne.
Defeat Caterina and Annabella.
Be consumed by the Cosmic Voice.
Defeat Lord Laddak.
Defeat Leena.
Defeat the Cold One Beast.
Defeat the Harbinger of Nightmare.
Finish Lady Annika’s quest.
Finish Lucyl’s quest.
Acquire the Technological Lens.
Use the Stigma of Transcendence.
Defeat the Burnt Apostate.
Acquire the Celestial Larva.
Defeat Manfredd the Accursed.
Defeat Lisa.
Raise any stat to level 50.
Defeat the second Starborn Nighthunter.
Perform 30 execution moves.
Finish Helenya’s quest.
Defeat the Voracious Terror.
Acquire the Propulsion Boots.
Defeat Yegor and Leena.
Defeat the first Starborn Nighthunter.
Spend over 50,000 Nycrux.
Acquire the Nighthunter’s Grappling Claw.
Defeat Edwyn the Shadowscourge Horror.
Acquire the Gravitational Ring.
Defeat Dr. R. Hermann.
Defeat the Winged Pale Laments.
Kill 100 enemies.
Defeat the Giant Patron.
Defeat the Starlight Beast of Illygarth.
Defeat the Old Wymond.
Defeat Nyxaroth the Eldritch Wight.
Defeat Medeya.
Acquire every Sepolcro.
Deliver all of the blueprints to Mariano.
Acquire all Healing Holsters.
Acquire all Federal Era Belts.
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.