Canticle

Canticle is the first book of the Cleric Quintet by R.A. Salvatore.

"High in the Snowflake Mountains sits the Edificant Library, a place of scholarly study for priests, bards, and others. Now from the hidden vaults beneath the library a devastating curse is unleashed, and a young cleric must battle the terrifying creatures set loose by a malevolent, consuming essence."