"Throw off the shackles of Keller oppression. Do not bow to the yoke of a false Warden. Be true to your blood, to your homeland."
Asten Wylde

The Sons of Asterion was a rebel faction founded and led by "The Prowler", a mysterious figure. The Sons opposed House Keller and their attempts to overthrow House Blackgard and rule the Borderlands. They are featured prominently in LordOfTheNeverThere's short story, The Prowler.