"Jean Grey had already passed by the time I got to the school. Her daughter Rachel was a force, I roomed with her and Kitty when I first went to the institute. And in the Savage land." She remembered the Red headed Telepath had actually taken shape of the creatures from that place.
"It is was not so bad all the time, only when she made the attempt to push against the barriers was it bad." The only ones that could, and they had to all be together, was the three. They were more powerful than Emma so long as they were not split up. Yet they were nice enough not to try and push themselves into her head.