C566 Kowtow!

"You are?" Liu Xu immediately frowned, and looked at the young man in front of him, with a questioning look in his eyes.

This was because he noticed the command token on the young man's waist.

Liu Xu had naturally seen it before, and was not unfamiliar with it.

This was the Echelon command medallion that all master alchemists in the Immortal Pill Assembly would be able to acquire!

However