Led by the merciless Tempestor Traxel, the Scions of First Eradicant squad drop directly into the fires of a global civil war. Joined by a commissar who personifies the suffering of his past and facing a foe from the darkest days of the Imperium, Traxel's fracturing psyche places the entire world at risk. On Rilis, Traxel will face the foe that broke him. This time, there is no price he will not pay.