Before seizing the Poisonous Insect King, she couldn't afford to expose even the slightest clue, so she didn't want to use the Hua Family's power to pass through the checkpoint, lest she attract An Shuli's attention and scrutiny during this critical period.
If Jing Jia'an were the only one guarding the city, Hua Yan thought that passing through would be easy. With just a little trickery, she could effortlessly make her way through. However, with An Shuli by his side, entering the city and passing through without revealing her identity and drawing his investigation was considerably more difficult.
Since the Wolong Canyon incident was a trap set by him and Yun Chi, one that even the officials of the Imperial Court, the King of Anyang, and the Princess Consort were kept in the dark about, his swift support for Yun Chi to take over Nanjiang after his arrival showed that Young Master Shuli, one of Nanchu's four great noblemen, was far from harmless and genteel in appearance.