Synergy
The words that came from the professor woke up the minds of people. They realized that they didn't have much control over what was happening right at the current moment. No control over their life. Why? Because they were powerless! They were weak! Only a monster could beat the monster.
So, with that, the crowd of people became quiet. And they could only watch the fight while keeping their thoughts to themselves. They also backed away from the battlefield, as they knew that they would die with just one attack. Their bodies were fragile, they can easily die at any time.
"Since that human had escaped. It's your turn now. No one will save you. You are all destined to become my food! You should feel honored. As the most perfect being in this world is about to devour you!" The sound of gibberish came out of the monster's mouth.