Are you talking to me?

I'm not sure a Blank Slate is required as the thread is OP's and the OP has the majority of the material and concepts down.

If you remove the fact that the group has to pay for four other members to have kids or something, you know the little creepier concepts to gen pop level intellect you'd have them swarming in. All that malarky will happen anyway in regards to the two minimum.