After teleporting away, Elena brought Chisato to an area of the Chaotic Void where there was nothing. This was a completely empty void and that was why it was also the perfect region for Chisato to go through her awakening. She could destroy this whole area and nothing of value would be lost.
Chisato had came back to her senses and was trying to hold the power back without eliminating it. She gave Elena a grateful nod of her head and got ready for the awakening.
If she wanted, she was capable of stopping herself here and wait for a next time. But according to her intuition, the current timing should be the absolute best. So there was no reason to do that.
So just like that, she allowed the knowledge of the derivative concept to flow in her head and she once again lost her senses.
...
