Complex sentence: The Virgin New Adventures novel "All-Consuming Fire" by Andy Lane also equates Fenric with the Cthulhu Mythos entity Hastur the Unspeakable and claims him to be a Great Old One, in this context explained as one of the Time Lords from the pre-universe.
Split into simpler sentences: The Virgin New Adventures novel "All-Consuming Fire" by Andy Lane also equates Fenric with the Cthulhu Mythos entity Hastur the Unspeakable. In the same series of novels, Fenric is suggested to be a "Great Old One", one of the Time Lords from the pre-universe.