C21 Hopeless solution

“An indicator? What is that?”

“The name already tells you what it does. It’s a special kind of dust that lights up whenever it’s around my magic, new or old. We will test it on this diary now, and if it lights up, then it definitely will work for the second one.”

“Well, is it right here with you now?” Joana asked.

“No,” Mariana said. “I will go and get it from my house. It’s not far from here