Kharn: The Eightfold Path is the seventeenth audio drama for the Horus Heresy Series that was not originally released as part of an anthology or other release. Kharn: The Eightfold Path was published online in December 2013 by the Black Library as a part of the 2013 Holiday Advent Calendar, on day number 8. The title was also published as part of the Legacies of Betrayal main series anthology novel.
In the fighting pits of the Conqueror, Khârn and his fellow World Eaters compete in ever-bloodier contests of carnage and mayhem. As the Butcher's Nails dig ever deeper into their brains, the Legion has forsaken the Crimson Path. Now they walk a darker, more dangerous road: the Eightfold Path.
- Kharn: The Eightfold Path (Audio Drama) by Anthony Reynolds