About honor and iron. Saint-Martin I.

The era of the Dark Imperium began, the human race balances on the edge of death. And at this gloomy hour, the servants of the emperor managed to make the impossible - to resurrect the primarch of Robaut Gilliman. Having accepted the title of the Lord-Commander of the Imperium of mankind, Gilliman collects troops for the Crusade of the Indmitus-a desperate campaign designed to turn the advancing chaos. At the forefront of combat fleets, the revived primarch sends Capellan Helios, entrusting him with a vital mission. Will ultramarin achieve a key victory for Gilliman on time or will the obsessive idea of ​​a thousand years ago will destroy him? And what kind of weapons will have to be used in the war for the salvation of mankind?