 Three albums, "Blood of Angels", "Zombie Influx", and "House of Nightmares" were recorded as side-projects with other artists or vocalists.William Piotrowski released his first solo film soundtrack with "".Joseph Vargo wrote and recorded solo for later albums, "Blackthorn Asylum", "Winter's Eve", "Theater of Illusion", "The Dark Tower", "Winter's Majesty", "Legion of Shadows", "Gothic", "Season of the Witch", and "Ebonshire", which has become a series of holiday music EPs released each year, culminating in 2018 with the full collection.