She only caught a bit of the end of his practice, but she holds it up where he can see.

"Look! It's pretty wild. The energy that usually constitutes Ki or Magic is in a spectrum of cool to hot colors. The more you use, the more colorful it becomes. I can also adjust the sensitivity so you don't blow out the processors and you can see details in strong outputs."

She lets him take it, since he's experienced enough with tech to take a look. There are recordings of a few other people in there, too, their gridded bodies and energy use dancing out their moves in the borders of the current recording.