Hermione opens her beaded bag, and with a flick of a wand several Arthimancy runes float into the air. "Well, let me introduce you to the basics."

"Arthimancy is derived from Arithmos and Manteia," since Iphigenia spoke about being from ancient Greece, Hermione doesn't translate the Greek words for her.

"You use the numbers and runes to analyze a situation to determine both the strengths and the weaknesses of that situation."

"You can turn any word into numbers, using the Pythagorean Method, by assigning letters into digits. You stay within single digits. So one to nine."