Dante Valentine (series)
Ancillary Books & Short Stories
Originally, the demon Japhrimel was intended to be a Mephistolean figure who infected the main protagonist with a demonic virus.
Several references to "the Republic of Gilead" are nods to Margaret Atwood's The Handmaid's Tale.
The Great Awakening referred to in the series is a direct consequence of the activities of Circle Lightfall in the Watchers series.