Choose your own Harry Potter Fanfic

The room was large, and filled with tons of shelves, all covered with potions ingredients. I felt like I must be back in school, I'd only ever seen this many potions in Snape's private stores before. I looked around in wonder and fear. Maybe I'd become some of these ingredients before the week was out.

"Potter, enough gawking, let's move," Snape snapped, walking to a perfectly stationary bookshelf and moving it. He disappeared behind it and I worried about being left in this room, so I chased after him, my belongings clattering as I did so.

The room outside of the storage room was...