There were many strong individuals on board the Marpo Cruise. They were well travelled and at times needed to protect themselves. On top of that, even the wealthy individuals that could pay the admission fee usually wouldn't enter on their own and would have a guard of some sort with them.
The guards weren't weak either, and everyone on the cruise would know this about the others as well. That was why it came as a surprise for everyone in the bar, that there was someone who could force them to kneel suddenly, and it was clear who was the one behind it all.
'This is embarrassing, but my body, no matter how hard I try to lift it, my legs and arms won't listen to me. What kind of power is this!' One of them thought.
They all were forced to watch Quinn walk back to his seat, and when he had done, the effect seemed to wear off. They jumped to their feet, feeling free, but a few fell back from the exhaustion they felt from fighting against the skill.