C263 Animal Striation

Kang Zhen looked at the exquisite small wooden box in front of him with a puzzled expression. He hesitated for a moment, then gently lifted the lid, revealing a black stone that was even smaller than a walnut.

Kang Zhen was a bit surprised at first, but then he looked up and saw Zuo Feng's serious expression. After being stunned for a moment, he said with a tone of admiration