C651 I Am Back Full of Achievements.

"I know! I mean, would the ants try to block the ventilation ducts and inject acid or acid mist into it? After digesting the humans in the underground city, they would use some kind of method to absorb the acid and digest it?"

Everyone was shocked when they heard this. That's right! This was a possibility!

"But the process is too ridiculous. As the saying goes