C221 National Weapon

Lee Xiao couldn't figure out why Ning Xiaoxi's blood was so precious.

It was a pity that even Guo Lin, the student in charge of Longyuan Army, could not give him an answer.

Guo Lin was only leading the team this time. He only knew how precious the blood was, but he didn't know why it was so precious.

Lee Xiao shrugged speechlessly and no longer questioned him further