Deliverance Lost

In the midst of the Horus Heresy, Corax and the surviving members of the Raven Guard escape the devastation at Isstvan V, determined to recover and rejoin the battle against the traitor Warmaster. Seeking his father's guidance on Terra, Corax uncovers ancient secrets that will aid in rebuilding his Legion and plotting revenge against his treacherous brother primarchs. However, hidden dangers lurk within their ranks, as the infiltrating Alpha Legion seeks to undermine their efforts and eliminate the Raven Guard threat.