in her ToM PoV she wants to "capture" all of the marath'damane there and "capture" the White Tower. She wants to collar all of them. Not kill them, and not level the WT. (They're entering through the basement, not destroying the thing). Her last sentence is that the WT is doomed but that's obviously meant to mean as an institution because of her thoughts 4 paragraphs prior.

She thinks collaring the AS is necessary for winning the LB.


Anyhow, I find it very likely that they'll arrive at the WT and it will be empty or Mat will be there fetching the Horn.