She was grimacing now as she pushed herself to run faster, turning sharply on the landings and then skipping down again, hopping over a couple of stairs at a time.
For a while it was suspiciously quiet, if you did not count the two of them and the cat running down the stairs like crazy. They passed the third floor and were going down on the second, and Indigo already gained on them, when they heard a loud roar from the top. Emily did not waste time in stopping to look up - she already guessed that they had been spotted.