The Horus Heresy: Primarchs Book 18
The final book of The Horus Heresy: Primarchs series.
Series contains 18 primary works and has 18 total works. Current series reading order on below.
It's the start of a brand new series of 18 books focusing on the greatest of heroes, the primarchs themselves. This volume kicks it all off with a tale of Roboute Guilliman at the height of his powers, leading his legion into battle at the apex of the Great Crusade.
Main series Warhammer 40,000: The Horus Heresy