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