C2820 Shen Feng Has Returned

This rock is about the size of a millstone, ordinary and without any powerful spirit energy, there's no clue at all.

"What do I want this stone for?" Shen Feng asked anxiously.

"Take it. It will be useful." The old man waved his hand and the stone flew in front of Shen Feng.

"Alright!"

Shen Feng did not refuse. Although he did not know what he could do with the stone