When Lion El’Jonson arrived on Caliban, the planet was already entering a period of change. A noble warrior, Luther, had embarked on a quest to unite the many Knightly houses behind a single banner, The Order, and purge the dark places of the world of the beasts that slaughtered the in...
Also, the Dark Angels fluff is that they came about from houses of knights. So, they maintain that type of noble structure within their chapter. Other than what’s noted above, they are pretty much your typical Marine chapter. Oh, plasma. Dark Angels love plasma and get a lot of it. ...