Originally Posted by Weiser_Cain
Or maybe the true Sith lacked numbers, and or are really smart, or are long lived and time just sorta slipped by. I could swear the true Sith interbred with those dark jedi...
Yep, this is how the Sith became what they are - native Sith of Korriban interbred with Dark Jedi. You can read about them in our game info