C1621 A Difficult Problem(last Part)

"In other words, if we want to refine that arm again, we must obtain the pure sand of soul and the ancient god blood?"

After listening to Guo Yi's narration, Chen Fan muttered to himself.

Guo Yi shook his head and said, "Not only that, we also need to borrow a supreme grade alchemy furnace because ordinary alchemy furnaces would not be able to withstand such a precious material."

With that