Gu Chenfeng actually pierced through the black stone with just one finger.
Although the black stone is a stone, it comes from Clouds Beyond Heaven and is ten times harder than the most ordinary stone.
Even Ling Qiushui, if she wanted to pierce this black stone, would have to activate her Spiritual Power.
But Gu Chenfeng did it purely by relying on the strength of his fingers.
How could someone in the Late Stage of Foundation Establishment do that?
Looking at the small hole, Ling Qiushui asked in shock, "Gu Chenfeng, how did you do that? Such a hard stone, how could you possibly..."
"That's why I said it's a treasure." Gu Chenfeng chuckled softly, "Uncle Qiushui, it may look like a stone, but it contains a certain magical power inside that ordinary people can't detect or sense."
"What kind of magical power?" Ling Qiushui pressed further.
