I am not sure. It has simply been like this since Aegon the Conquer first took the Seven Kingdoms with with his sisters. All three road upon the backs of dragons and they conquered the kingdoms with fire and blood.

[ Her family's words. She lifts her kind slightly. ]

I treat them as any mother would treat her children, but you are right there is a bond connecting us and it was severed when we crossed into the Dead Zone. That is the reason they are so wary of everything that moves, they cannot feel me nor I them even though we are see each other clearly.