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