The needs of the many...

I'm starting to make some real progress on my story "Danger Close" (unfortunately I'm still stalled out on "The Blue and the Grey") and I've already got almost two thousand words into the next chapter. My latest move is to find a possible new use for Daring Doo. She appeared early in my story, but I haven't worked her in very much since. The idea I had was for her is to possibly pursue a potential gamer changer in regards to the Storm King and the invasion, pretty much a nuclear option. There was never a thought of such a thing in the movie itself, not that the target audience would have understood such a thing. But I wonder, if a magical device could have been used that would have stopped the Storm King, but may have also adversely affected Canterlot and by extension the entire kingdom, would you have considered it a reasonable choice? I'd like to explore that idea.