Sins of the Father (Short Story)

Sins of the Father is the eighteenth short story published in the Horus Heresy that was not originally part of an anthology novel. Sins of the Father was included in the First Edition Version of the Warhammer 40,000 novel Sons of Wrath. It was later released as an audiobook (MP3) along with its sequel Virtues of the Sons. It is also now included in the Eye of Terra anthology novel. Sins of the Father is also included in the Born of Rage Warhammer 40,000 anthology novel.

Synopsis
As Azkaellon and Amit duel in the ritual Tempest of Angels, the two favoured sons of Sanguinius learn something about their virtues and their weaknesses, of both themselves and each other.