Gonna take a stab at the biblical and bad part. See how close I can get.
This goes back to the rebellion of the Watchers at Mount Hermon.
The "bloodlines" are the existing remnants of the priestly class that worshiped the fallen (pagan gods) and their offspring, the Nephilim and Raphaite.
"secret knowledge" (tech, magic, etc), the gold amassed over millennia, a hatred for those who stayed with the Lord our God and kept our dominion intact.
Gonna take a stab at the biblical and bad part. See how close I can get.
This goes back to the rebellion of the Watchers at Mount Hermon.
The "bloodlines" are the existing remnants of the priestly class that worshiped the fallen (pagan gods) and their offspring, the Nephilim and Raphaite.
"secret knowledge" (tech, magic, etc), the gold amassed over millennia, a hatred for those who stayed with the Lord our God and kept our dominion intact.
That's my guess.