C722 The Only Reliance!

"Explosion?!"

Elsa and Bale exclaimed at the same time, and then they all raised their heads.

Rumble…

A terrifying explosion suddenly sounded out from a thousand meters in the sky, followed by a powerful air pressure that assaulted their faces. It was like a volcanic eruption, violent and scorching.

The Rune Shields on the battlefield started to crack under the impact of the airflow