He ought to, that series is about how he became the Despoiler and founds the Black Legion. (And yes, he is in Talon of Horus.)
haha okay, I'm only three chapters in. They talk as if he is a myth or something, even though many of them fought in the Great Crusade.
Wonderful story so far. Anything dark and brutal, is for me.
Someone explained it as "bolter porn", and that is EXACTLY what I am into. :D Blood, gore, chaos, filth and destruction!