The Unremembered EmpireDan AbnettThe Horus Heresy, book 27

Characters in The Unremembered Empire

2 characters, main characters first.

Supporting characters

Roboute Guilliman
Also in Battle for the Abyss, Know No Fear, Pharos, Roboute Guilliman: Lord of Ultramar
Konrad Curze
Also in Vulkan Lives, Pharos, Konrad Curze: The Night Haunter