"That, or maybe there are some things around we can use to get up. Me, I am rather careful with the use of magic in a place like this. Not that my spells are affected..." Glith promptly cut down the volume of his voice, gazing around at stuff that was present in the keep. He pointed at the ladders that the party used to get down earlier:
"How about you folk try and use those? Seem long enough, since you just climbed down on them."