The Burden of Loyalty is the forty-eighth volume in The Horus Heresy series of novels and is an anthology. The Burden of Loyalty was released in October 2018 as a hardback which included a full-art hardcover.


As the darkness of the war slowly consumes the galaxy, those who still serve the Throne are faced with a struggle for their survival and the continued existence of everything they hold dear. With the threat of the Warmaster Horus' fleet looming ever closer to Terra, it will fall to such heroes to halt the tide, but the enemies arrayed against them are powerful and the burden of loyalty is great...


Heralds of the Siege contains the following 6 short stories, and 2 novellas:


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