Here is the full list of all 46 Blasphemous 2 achievements.
Unlock Ending A.
Find all of the Prayers.
Reveal the whole map.
Purchase all available items in the shop in the City of the Blessed Name.
Find all of the hidden symbols.
Toll a bell 12 times.
Hear the echoes of the past.
Reunite Cástula with Trifón.
Lift the Curse of the Unforgiven.
Unlock the true power of Sarmiento & Centella.
Free Próximo’s brothers.
Unlock Ending B.
Defeat the Devotion Incarnate, the last child of the Miracle.
Defeat Eviterno, Father of the Penitents.
Defeat Svsona, Fermosa Fembra.
Kill every type of enemy.
Defeat Sínodo, Hymn of the Thousand Voices.
Unlock all Bile Flasks.
Complete all the battle challenges.
Unlock the true power of Veredicto.
Find all the hidden Cobijadas.
Unlock all slots in the Altarpiece of Favours.
Unlock all Abilities.
Defeat Odón of the Confraternity of Salt.
Defeat Benedicta of the Confraternity of Endless Orison.
Unlock all of the Rosary Bead slots.
Defeat the Sentinel of the Emery.
Defeat Lesmes of the Confraternity of Incorruptible Flesh.
Defeat Orospina of the Confraternity of Embroiderers.
Kill 300 enemies using Veredicto.
Defeat the Great Preceptor Radamés.
Fall into spikes and survive.
Defeat the Faceless One, Chisel of Oblivion.
Unlock all the Achievements.
Find all of the Rosary Beads.
Find all of the Figures.
Bring every Remembrance to an artisan and turn them into Figures.
Kill 300 enemies using Ruego Al Alba.
Kill 300 enemies using Sarmiento & Centella.
Execute 50 different enemies.
Reach the room of the Sentinel of the Emery in under 30 minutes.
After the first fight, defeat any boss without receiving damage.
Unlock the true power of Ruego Al Alba.
Unlock all Weapon Memories.
Deal more than 250 damage with a single strike.
Complete 100% of the game.