C615 A Very Heavy Promise 1

"Senior brother, what is a supreme treasure?"

In the distance, Zhou Changyue also heard Ming Danjing's words and could not help but be slightly startled. Immediately, she quietly asked Tong Chenen for guidance but she discovered that the latter's face also had a look of shock.

"A supreme treasure is a treasure used by a supreme being!" Tong Chenen took a deep breath and said.

"This..