[quote=@DepressedSoviet]
[@HeySeuss]So we're playing loyalists from traitor legions, then? Count me interested.
[/quote]

Yeah, lost souls still faithful to the Emperor, coping with the betrayal of their Primarchs and a lot of guilt. Hell, blame from other Astartes.

Smurfs, Wolves, Fists etc tend to disrupt that vibe.