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