C769 How could the word 'fierce' be used in such a way

In the middle of the air, the seven-colored light rays suddenly expanded crazily.

Not far away, a new mountain of easternmost spirits was bestowed with a majestic current of air.

"The Righteous Spirit in the Northeast, catch my sword!"

In the midst of his shout, the thousand feet golden body suddenly jumped into the air.

The enormous seven-colored sword, which was an inch long