Your attempts to make it back upstairs are hindered by the fact that you yourself aren't even the size of each individual step. It's rough but you manage to make it to the top after a while.
"10 seconds to go." Crap.
Lady Tatyana has almost finished her countdown and you panic about where you should run to. Since you closed your door before you came downstairs, your room is off limits since there's no way you'd be able to reach the door handle. You eyes dart around and see the door to Lucy's room is open. That seems to be the only option.