It wasn't illegal to kill on tournament grounds, especially in matters of intense bouts where fight or flight acts on instinct or your opponent is the one playing dirty and pushing you to that point -- but it is frowned on, and unliked by many, and moreso did Momiji offer no excuse with his swift dismantling of each opponent. He never even spared a glance after their defeat, and he returned to his usual - manic - cadence within moments, unsettling and discomforting the people around him. His only remaining ally seemed to be the trusty receptionist; and she wasn't given much of a choice, in her position, her face tired by the sorts that hung about.
Even a tempest was a breath of fresh air.