Wolf's Claw is the twenty-first audio drama for the The Horus Heresy series that was not originally released as part of an anthology or other release. Wolf's Claw was published in March 2014 by the Black Library as part of the audio drama anthology Echoes of Ruin which also included several other Horus Heresy Series audio dramas. The title was later published as a stand alone MP3 file.
Caught by the Renegade forces of the Alpha Legion and forced to take refuge in the Alaxxes Nebula, the Space Wolves are bloodied but unbowed. The young Pack leader Bjorn -- now known to his warriors as "the One-Handed" -- is desperate to recover his honour in battle, but replacing lost limbs for proud Legionaries is not a task worthy of the Iron Priests. If Bjorn is to fight again, then he must seek out new claws for himself and christen them in the blood of the Traitors...
- Wolf's Claw (Audio Drama) by Chris Wraight