Purifying... No wonder Yukimura hated it. Was this what they meant about it being a part of him?

Setting that aside, there's more to her answer than the potential impact to Yukimura, isn't there? Slighted... Hadn't she mentioned a moment ago a bad reaction to her presence? She was already on thin ice, then. And she sounded uncertain whether even physical bindings would fully protect her to allow a completion of the verse.

"Let's keep our options open. I can't agree to any unnecessary risks on your part, however willing you are to take them."