Sabrina carried the locket back to her desk. She lay it down and grabbed her wand out of her bag. She closed her eyes, repeating the spell in her head a few times. Feeling ready, she opened her eyes, took a deep breath, and clearly said "Arithmos revelio".

A group of numbers popped up but she couldn't make out anything. She sighed and prepared to try again. Well, he said it takes practice. she thought