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