"Fire and Ice Runic Terror."
A shining blue light engulfed the entire plain. The blue flame soared into the sky and spread wide. The blue flame swept through the entire field. The demons around the wall panicked as though they had just felt something horrifying.
The demons hurriedly unleashed their own energy to collectively block the incoming flame. The flame froze their energy before evaporating them.
If not for thousands of demons, including many peak level demons, superior demons, and even the ancient demon working together, the flame would have swept all the demons in the area.
However, the blue flame still managed to sweep demons that were not around the ancient demon, where the shield was the strongest.
The flame covered each demon in a thick layer of ice before their bodies were reduced to nothing but a demon crystal.
