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