"How many of them do you need?"

Headmaster Shan said with a stupefied expression, "Eighth-tier Barrier-breaking Stones? Where am I supposed to buy those from?"

"You can just try to get some." Zhang Han said helplessly, "There should be some in the Astral Domain of Vast Heaven, but you may not be able to buy them."

"I can only ask around." Headmaster Shan smiled bitterly.

He got anxious right away.

He said directly, ...