C164 Divine medicine

"Hey, what's so difficult about that? Just look at me!" Feng Ling answered with satisfaction. He reached out and took a walnut from Ou Huihui's hand and squeezed it.

With a "kacha" sound, the hard walnut was split in half.

"Watch me!" Ou Huihui shouted as she grabbed onto a walnut with all her strength, trying to break the walnut into two, just like how she did with Feng Ling.

Unfortunately