Lust Knight - Chapter 318 - Who are they?

... esponds with a concerned expression. "Shé... it's complicated. They are a dynasty of dragons separated from the Tiankong Dynasty by Aisha, the Dragon Queen of Life after her mother's be murdered."

Before she can answer his second question, the fire circle hits the magic barrier of the mages in Petra's main square and destroys it before hitting the ground and creating a big fire explosion.

It's possible to get an idea of the explosion radius even though Heike's castle is a m ...