'I tried to bring Xander back'. The words 'bringing' and 'back' had all sorts of unpleasant associations for her-- ones that mostly involved crawling her way out of a coffin. These were volatile magics, prone to screwing up monumentally, and ones she didn't particularly want her friend to be messing with.

"Willow, spells like that..." She started, but then seeing Willow's expression she faltered, unable to deliver the lecture. She missed Xander too, and she understood the reasons. "It's not your fault it didn't work. It's... it's Taxon. I don't think it's possible to bring people here with spells-- just like we can't use magic to leave."