Blue doesn't have the foggiest idea how dream things work. Most of the ones that she's seen seem to defy all logic -- and typically a few laws of physics too -- and, to her, something as simple as a giant fire just seemed too easy of a way to destroy them all.

Then again, sometimes the easiest answers were the right ones.
Rarely, but sometimes.

"How do you know the fire will work? What if you take it all down there, throw it in and it comes out just the same?" Not to rain on your parade or anything, Ronan, but Blue was simply trying to cover all the bases. "I hope you've dug a really big hole, just in case."