“A pugilist gains the utmost benefit from his training companion…”
— Epictetus, 50–135 AD

Arms raised. Chin lowered. Knees flexed. The bell sounds, and the two fighters converge in the middle to maneuver around each other. Red unleashes a trio of jabs, fakes a fourth, and—BANG—delivers a right hook that connects with Blue down the middle.
This wasn’t Blue’s inaugural day, and in spite of his strong guard in front of the reflective surface, he senses the weight of the challenge.