Back at the monster king’s tomb…

“Impressive. I'm truly surprised that an insignificant human like you possesses such capabilities!” the monster king remarked.

“This era belongs to humanity. Your schemes and plots will never succeed,” Adrian responded.

“Is that so? Then let’s put humanity to the test. But first and foremost, you should worry about your own fate!” the monster king said and charged at Adrian.

Even though the monster king was a level nine, Adrian himself was a level nine too.