They're verging on dangerous territory, and while Teren is hardly known for her honesty or integrity, this'll be one less thing for Howe to jump up her arse about.
"Apart from what you can likely guess, it's not for me to say," she replies, with a sense of finality-- she's not about to be wheedled into giving more information. Anyone who knows of the Taint's role in their abilities will be able to draw at least the most obvious connections.

"Now will that be all, Your Majesty?" Her smirk remains quiet, but there's an element of needling to the question.