C669 The Prison of Black Shadow

Yan Siya, Tang Chuxue, and the others had already arrived not far away.

At this moment, Yan Siya was also a little surprised in her heart. In just a short dozen or so days, it seemed that her junior brother's strength had once again improved significantly.

However, Yan Siya was only slightly surprised, and it was not to the extent that she could not accept it