Knack floated Gwyn and Garion close enough for her to put a hoof on Gwyn, abd by extension, Garion.
"Now, Ah'm still not all that great at teleports...so hold onto yer lunch real tighy...andby that, I mean the lunch still in yer tummy."
And with that, she gathered up her magic and...KABOOM.
Where they had been was something of a crater. Silly Knack, too much magic again.
[ So...Gwyn's tower or Grills' ? ]