“Archamus knew each of them, recognised them even through the layers of
Indomitus-pattern plate and the blur of his failing sight. They were his brothers, The Huscarls of whom he was master.”
Yes brothers! Huscarls of Dorn were clad in early version of Horus Heresy era Indomitus-pattern terminator armour! This might be a quite surprise for many of us but hey, it is all there, written by John French in 400 pages HH novel “Praetorian of Dorn“.