C557 Bitter Struggle

It was a passageway that looked like a huge, bloody mouth. The two sides were not wide, but it gave off a very depressing feeling. Even from afar, he could still feel the fear that came from his soul.

"I feel it."

He didn't know why, but when he walked over, he found that it was trembling slightly, as if two different polar magnets were attracting each other's attention