You are standing in front of a fire breathing, steam spitting locomotive. The Engineer grabs you by the collar and whisks you into the cab.
"Grab that shovel and start loading the fire with coal!", he bellows at you. "Keep your eye on the water gauge and work the injector! All right? Let's go!"
The Engineer hauls back on the throttle, gives a blast on the whistle and before you know it, you're feeding the beast with black gold as it accelerates in a cloud of smoke and steam vapor, rolling along the country side flowing past in a blur of speed.
Hogwarts castle is in sight! It won't be long now! You have been waiting for this day your whole life.
You hope your experience will be different from others...
But all of a sudden....