Everything was under control.
Long Yi had known for some time that he would be facing Jenna.
In the Arena, money could achieve many things, even last-minute substitutions were no problem, and that's what Jenna had done. However, Jenna didn't realize that her decision was promptly reported to Long Yi. That was one of the rules of the Arena—we occasionally forge some surprises, but as the other party, he had the right to decline them.
But in the end, Long Yi had agreed.
That was why Long Yi always appeared calm and composed because he had known all along!