C224 Mystical Yin Deity Guard

After the essence gathering array was completely set up, Zhang Xiaoyu was still able to reap some rewards. At least, when he was setting up the array, his speed had increased by more than two times.

The next thing to do was to study that silvery-gray stone. Originally, Zhang Xiaoyu didn't have the leisure to do so, but when he took out that silvery-gray stone, he felt a familiar aura