This Is The End

"Father," The father of the Emperor of the Qilin Empire turned to one of the twins. 

"It's alright. He can't take on all of us, and his trick is only effective in a small area, if he dared to expand it, then the force would be greatly reduced. However, if he were in the presence of Overlord Plane Elementalists, then no matter how he expands it, they wouldn't be able to overcome it," One of the twins said. 

After hearing his explanation, everyone heaved a sigh of relief. Grey was closely listening to their conversation, so after hearing the explanation of the technique the man used, he couldn't help but contemplate it. 

This was a mysterious yet powerful technique when battling against multiple opponents, so he wouldn't mind learning it. If he had this and his inscriptions, he would be a terror to fight against.