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