The Lion is a novella published in The Horus Heresy series that was originally part of an anthology. The Lion was first published as part of The Primarchs main series anthology in May 2012. The cover image used is that of the e-book version The Lion which was released alongside the original anthology.
With their crusade against the Night Lords reaching its height, the Dark Angels find themselves thrust into a new battle. Beset by Daemons and forced to choose between two brother Legions, The Lion's loyalties will be tested and a secret will be discovered that could change the face of the war, and the destiny of the Dark Angels Legion.
- The Lion (Novella) by Gav Thorpe