C472 The End of the World Is Not a Joke.

"F*ck."

Yang Xuan sat on the sofa in the Alexis's house. It was not easy for him to accumulate some energy, but he used it to support his weight. Yang Xuan could not help but feel a little depressed.

However, as long as he accumulated more than 10% of his internal energy, his speed would be faster. Right now