It's no trouble. [A moment's concentration, and the spell is cast, a gentle green glow hovering over the burns as the magic heals the damage. As soon as the magic has finished its work, the energy dissipates, disappearing.]
[As to the last part ... Cloud goes still, his eyes fixed on Sasha, almost as if he doesn't want to risk looking at the others in the room again, as if he's too worried about what he might see if he does.]