C524 It's Raining down a Nuclear Bomb?

This voice … They seem to be very familiar with each other!

He seemed to have heard of it somewhere … Although they had heard this voice a long time ago, they still felt that it was very familiar.

That was the voice of Xuanyang, the teacher who seemed to be guiding him!

That's not right! This was the voice Xuanyang used when he was training him