```
"I'm alright."
He Ao nodded lightly, "I can hear some sounds, but they are all within my tolerance."
Ever since he entered the building, a kind of distorted screaming had been trying to influence his mind.
It was residual contamination from the Mysterious Shadow, but compared to what He Ao had endured last night, it was barely noticeable.
"It seems you have a good tolerance for strange forces," Li Cheng smiled and started walking with He Ao towards the stairs,
"This thing is very strange. Some people naturally have a higher tolerance for strange forces, while others fall into confusion as soon as they step into the related area. We are researching why this characteristic arises, but unfortunately, the strange samples available for our study are still too few."
