All credit goes to
grbolivar from PSN Profiles, thanks to him I completed the game on 100% without missing any achievements. I highly recommend his guide here for any other achievements:
https://psnprofiles.com/guide/9115-blasphemous-trophy-guide#...Getting all prayers! (Copied from
grbolivar):
Prayers are the equivalent of magic spells in Blasphemous. There are a total of 13 Prayers, collect all of them to unlock this trophy. Keep in mind Tiento to your Thorned Hairs is missable depending on the outcome of Cleofás' quest, see Silver Rebirth for detailed information about Cleofás' quest.
The Prayers and where you can find them are listed here, for detailed locations refer to the video below:
Verdiales of the Forsaken Hamlet: The Holy Line, on the floor on plain sight.
Següiriya to your Eyes like Stars: Mercy Dream, on a golden chest.
Zarabanda of the Safe Haven: Complete Viridiana's Quest (see Bronze Last Breath achievement).
Taranto to My Sister: Beat Esdras, of the Anointed Legion.
Zambra to the Resplendent Crown: Desecrated Cirstern, on a golden chest.
Soleá of Excommunication: Jondo, on a golden chest.
Saeta Dolorosa: in the tomb of The Lady of the Tailed Gown (see Bronze The Desire of the Corrupted achievement).
Lorquiana: Library of the Negated Words, on a golden chest.
Romance to the Crimson Mist: Library of the Negated Words. Requires solving the Library Puzzle, see this video for the solution of such puzzle.
Cante Jondo of the Three Sisters: Archcathedral Rooftops, on a golden chest.
Debla of the Lights: complete Lvdovico's Quest (see Bronze True Shrine achievement).
Tiento to your Thorned Hairs (missable): complete Cleofás' Quest. This is missable if you don't succeed helping Cleofás' during his quest, see Silver Rebirth achievement for detailed information.
Campanillero to the Sons of the Aurora: find all 38 Children of Moonlight then talk to Jocinero on The Sleeping Canvases (see Silver The Bull and The Moon achievement).