Wrathion flinches back a half inch in surprise at the shimmer of magic, tension easing as he recognises Anduin as the source.

"This is powerful magic. If we could find the centre of the anchor it may be easier. How broad is your ability to purify?"

If they need to go room by room, the process will be slow, but anything to... speed things up would of course help matters. Especially if they are going to have objects thrown at them the entire time.