It was better than nothing. He didn't need to be surrounded by a group of curious people wherever he went.
there's no need for an exchange. It's not a very precious spell, so I'll give it to you for free.
Sheng Qiao took out a jade talisman and handed it to Lu Ming.
"Thank you!"
Lu Ming did not stand on ceremony. He took the Jade talisman and scanned it with his spiritual senses. He already knew the contents of the Jade talisman.
It was indeed an ordinary secret technique.
This secret technique was not meant to change his aura, but to disguise himself. He could use the external forces of this world to cover his body and disguise himself to a certain extent.
Those with lower cultivation than him would find it hard to tell without careful observation.
Even if his cultivation was higher than his, it wasn't that much higher. If one didn't observe carefully, it wouldn't be easy to tell.