Just as Luo Yan said, Jack didn't enter through the front door but sneaked in through the back door, as most of the Brotherhood usually did.
Although his infamy wasn't as notorious as the Demon King, he was a notorious "thug" in the Queen's District.
Especially since he often helped pirates sell their stolen goods, for the wealthy who profited from overseas trade, the only difference between him and a pirate was that he didn't personally rob.
Of course, since discovering that religion was more profitable than running a gang, he had consciously started to whitewash himself. This included but wasn't limited to investing in real estate with the money earned and donating a trivial portion of the profits to charity.
But all this would take time.
Jack was aware that he might scare the guests here, so he made sure no one saw him until he entered the hall.
After identifying himself to the attendant who approached him, Jack followed him to the room on the top floor.
