Kraverek
Kraverek is a Warsmith of the Iron Warriors.[1a]
Supposedly allied to the Black Legion, Kraverek alongside the Dark Mechanicus sect known as the Disciples of Nul were ordered to seize the Attilan Gate from Belisarius Cawl's forces. To that end, he used an ancient Chaos Android to summon the Daemon Vashtorr and bound it into an alliance to steal Cawl's Warp-stabilizing technology.[1a][1b]
However this was just a ruse, Vashtorr was merely pretending to be bound by the Traitors in order to gain access to Cawl. The Arkifane dispatched a Daemon Silik to the Forge of Souls, where it gathered a massive army of Soul Grinders led by the Daemon Prince N'Thragor to attack Ulvheim.[1c] After the Last Battle of the Pit ended in apparent failure, Vashtorr revealed his ruse to Kraverek as well as the knowledge that the Warsmith was in fact not sent by Abaddon at all, he was merely using the mission to try and empower himself and maintain discipline among his troops. Kraverek was then forced into subservience.[1d]