The volley makes her grin, even if he more or less withdraws the question a moment later. Diana has climbed much higher peaks with fewer handholds than this; her main concern is the pair of them making it up together. He doesn't look exactly nimble, even without the armor, but she has no reason not to take Garrus at his word.

Still, she's a little worried at the word try. She's certain she could carry his weight, but it would be awkward trying to get up the cliff with him on her back. She looks up the vines, then back to him. "We will go slowly, and beside one another. If you feel unsteady, tell me."