Teamwork makes the dream work
Lex was not expecting such a response, especially in the midst of such a large crowd of monstrous insects. It was one thing for him to remain nonchalant surrounded by a few thousand blood hungry vermin, but it was quite another case for other people.
Even if he were not wearing his defensive suit, his body in itself was nothing shy of a tank, yet the ballerina before him, despite being well equipped, was not nearly in the same league. Though admittedly, her movements were phenomenal, and she had yet to suffer a single injury, it was not really enough of an excuse to ignore a safe retreat.