Solas manages to not roll his eyes. Barely. While the man is working on his spell, Solas is busy with his. By the time their bond is lengthened, he has his own runes etched and materials spread out in a way that can only be described as ancient and elfy.

"Yes, I am sure," he replies dismissively as he concentrates his energy on casting the spell. His movements are simple, barely noticeable as the energy shifts in the room and the air itself changes as the nature of the magic within is altered. That should be enough to keep the corpse preserved for the time being.