As a result, the other end of the passage opened up.

A rumbling like a sea tide could be heard, shaking the place to its core.

"What's happening?"

Claudia quickly climbed up. By now, the passage had become bigger again.

However, the impact from the other side of the passage was too terrifying.

"Be careful!

"Get down!" Alex reminded Claudia.

He saw that there was a powerful air pressure that was rushing over.

The wind was stronger than a category 20 hurricane.

Coupled with the ground be