C1329 Practice in the formation

When Li Dangxin rushed over with Wang Meng, Jiang Yun had already finished setting up the array formation.

He himself wasn't adept at formations.

After all, the path of alchemy was extremely difficult. If one wanted to master other paths, it was naturally not that easy.

"You set up this formation?" Can't you tell that you are proficient in formations? "

Looking at the array