The Knives of Calnis (The Calnis Chronicles #2.6) (The Calnis Chronicles of the Tarimain #1: Emergence)
by J R C Salter
With impossible things happening, and a vampire army on the rise, Luke, Sarah, and Atharron must find out what's causing the world to fall into disorder. But deep in the heart of a gothic cathedral, within the Shrine of the Magi, the Man with the Eyes is awakening.
The ninth Chronicle in the Tarimain series.