Dru's expression, Panel 1, in the sketch is a lot more ferocious than in the finish (i'd say); more like someone about to launch a berserk attack on a game-show host than someone about to sacrifice herself for a friend. Dru's position in Panel 3 does make the finish seem more dynamic and close-run than the sketch. And, of course, we have variant dentition in Panels 4 and 5...