There was indeed a goddess-level thief that was not affiliated with the Silver Hands, and that particular thief had probably not even heard of their name.
While everyone else was at their wit's end with the theft from the day before, a certain thief beamed with smiles as she returned from her rewarding journey. She sat on top of the big pile of loot and enjoyed herself as she looked at her harvest with deep appreciation.
A person with Shen Duan's status clearly had no lack of money. However, the main bulk of their vast wealth had been stored in a bank, and they did not have much on hand. Therefore, the amount of cash that Shen Yanxiao looted was not really a huge sum. The goldware and pieces of jewelry that she managed to steal turned out to be the main attraction of the show.
The problem that plagued her then was that she did not know how to turn those items into cash.