There is no other way it could cast spells without even breaking its tube.The cores are built to react to the subject's strong unconscious will.It might be hard to believe... but I think she's reacting to something she's seeing in her dreams?Something's wrong. When it woke up and went crazy before, it must have been unconscious. If so, does it mean that she was dreaming something so strong, that the experiment reacted with the core?
