C231 Iron Essence

"Don't worry, after the materials are auctioned, the Spiritual Stone will be enough." Chu Xiong didn't care at all.

"Alright, then what materials do you want me to auction?" Lin Ann took a deep breath.

"What I am selling is …" Chu Xiong transmitted his voice in his mind.

"..."

Very quickly, a sound came out from Lin Ann's room.

"What I want to auction is the Iron Essence