C2041 How Could I be Stingy to You

Xuan Zhenghao used a technique. He formed a spell sign and activated his mana. Thus, in the inner world, the dazzling light began to change, finally forming countless crystal walls!

It was densely packed, layer after layer!

It was like a huge library, with books on the crystal wall everywhere!

Although Chen Fangfang was proficient in formations