Serpent is the tenth short story published in the Horus Heresy that was not originally part of an anthology novel. It was first published as an event-exclusive Horus Heresy Short Story that was printed upon the programme for the Horus Heresy Weekender held in Nottingham UK, on the 18-19/5/2013 and is written by Black Library author John French. It was later republished as an unabridged audio book. It is now also included in the Legacies of Betrayal anthology novel. Cover art shown is from unabridged audio-book version.
Stranger things than xenos and mutants dwell in the dark places between the stars -- things known only too well to the inhabitants of Davin. Cult priest Thoros calls upon the favour of his patron gods to aid him in casting out the pretenders and non-believers, for only the true disciples of Chaos can be allowed to rule the galaxy...
- Serpent (Short Story) by John French