The earth fire grottoes are a huge demon force outside the north gate of the ice city. The demons in

are all fire related, and the ice people are natural enemies. They wanted to kill the ice people and occupy all the resources of the Arctic ice field, but they didn't expect that fenglao would build an ice city and block the earth fire Grottoes on one side.

the ice city has a strong border. The earth fire Grottoes tried to break through the border and enter the ice city for more than one time, but all failed.

for the ice people, it's obvious that the earth fire grottoes are...