[@tipssyCalibrator]

Well, since the whole point is that she has to remain in contact with the other person for the amplification to take effect, then anything that can separate the two will stop the amplification. She would also have to focus on amplifying the energy and not just let it happen passively. As for the fact that she can't do anything on her own, this is sort of the point: this power makes her a support character that relies on others.