<p>One thing that has always bugged me about Ozai's plan to use Sozin's Comet to finish off the enemies of the Fire Nation was why he didn't send any of those blimps with Elite Firebenders to destroy the Northern Water Tribe? Given how effective he and the firebenders on the airships were able to cut through huge swaths of territory with the comet's buff, you would think that sending at least one or two of those airships would have made short work of the already battered Northern Water Tribe. Plus its not like the Water Tribes have anyway of countering the Fire Nation's air force. Even just one balloon with a master firebender on board could have turned their city into a puddle in a matter of minutes. So I wonder, was it because Ozai couldn't spare any of his zeppelins and needed them all to burn down the Earth Kingdom or did it just slip his mind? </p>