Krusten uses the Return Key and is no longer part of this world.
As she was about to show her agreement Krusten left. Sapphire looks around and after deeming it 'safe' she uses her key to get back to Llafair.
I, Sapphire the princess, shall depart this world and return to the Llafair Museum. From there I shall rejoin meh life of reality away from this unusual Portal.