Her expression betrays nothing, no impatience, no indication as to how she expects it to be done, merely that it should be done and Sam may do it in his own time. That it's done swiftly and neatly brings a slight smile to her face, though they are not finished just yet.

"Hold the smoke. When you release it, attempt to relight the flame." Ash and cinder should catch as easily as they would from relighting a wick, the thin filament she'd held would serve well. Ice has ever been her stongest element, fire needs...a little help. Thus is how she and her mentor began, passing and catching and killing the flame, bringing it back.