Here is the full list of all 53 The Last Faith achievements.
Accept the Throne.
Be consumed by the Cosmic Voice.
Defeat Caterina and Annabella.
Defeat Lord Laddak.
Finish Madelyne and Theodora's quest.
Acquire all Healing Holsters.
Defeat Leena.
Defeat the Cold One Beast.
Use the Stigma of Transcendence.
Raise any stat to level 50.
Acquire all Federal Era Belts.
Finish Aldrich's quest.
Acquire the Celestial Larva.
Defeat Lisa.
Defeat Manfredd the Accursed.
Defeat the Burnt Apostate.
Defeat the second Starborn Nighthunter.
Finish Lucyl’s quest.
Acquire the Technological Lens.
Defeat the Starlight Beast of Illygarth.
Defeat the Voracious Terror.
Finish Helenya’s quest.
Acquire the Propulsion Boots.
Defeat Yegor and Leena.
Defeat the first Starborn Nighthunter.
Finish Lady Annika’s quest.
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 Old Wymond.
Defeat the Harbinger of Nightmare.
Defeat Nyxaroth the Eldritch Wight.
Defeat Medeya.
Acquire every Sepolcro.
Deliver all of the blueprints to Mariano.
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.
Perform 30 execution moves.
Parry 50 incoming attacks.
Reach the true ending.
Unlocked all achievements for The Last Faith.