Ariana walked into the common room and plopped down onto a chair next to a fourth year girl. She opened her Potions notebook to the second page, where the homework was written down.

She opened up her bag and pulled out some parchment, paper, and ink. Setting them down on the table in front of her, her forehead wrinkled slightly as she thought. After a few seconds, she began scribbling, her not-so-neat cursive filling the page.