The stall owner was still enthusiastically touting the various advantages of the manual, boasting to the point of exaggeration, almost claiming that mastering this Divine Skill would allow you to conquer the world and become an unparalleled expert.
However, Gu Sheng did not hesitate in the slightest.
He turned and walked away!
Not to mention that he currently couldn't come up with nine taels of silver, even if he could, there was no way he'd throw it away on a gamble.
The entry-level of the Shapeshifting technique might be simple, but one could easily deduce that it's likely one of those special martial arts that's easy to pick up but hard to master, with a chance of never reaching even the Small Success realm in a lifetime.
The simple transformation of facial features at the entry-level might well still be recognizable to acquaintances, rendering it largely useless.
This person was merely looking to scam his silver.