"Then who......" Harry trailed off, realisation dawning on his face. After his realisation, Harry’s sudden burst of magic thrust Severus back into his chair. The force of his magic was so strong that it knocked the chair over and sent Severus sprawling to the floor. Harry himself was thrown backwards by the power of his own magic. Severus stood up, surprised but unhurt, and went to check on Harry, curled up on the floor in a sobbing heap. He knew Harry’s magic would be as strong as a pureblood heir. After all, he would one day inherit the Potter magic. However, an outburst of such intensity at this age was almost unprecedented.