Strong Enemy

"Who has the spirit stone?
Give me one quickly, it will start soon. "
Sebastian Lin yelled nervously.
"No, I don't have one. Who of you has one?"
"I don't have any either, not even one!"
The three of them looked at each other at the same time. No one could have imagined that at the most critical moment, no one could even take out a spirit stone!
Sebastian Lin was anxious at this time, and kept turning over and over in the ring. Finally, his mind fell on a nuclear crystal inside...