The old man's shuffling grew more precise as his focus heightened.
He threw multiple sleight of hands, allowing the ball to pass from one cup to another.
The performer thought back about the previous games. Every single one in which the Youg Master's guest had participated in.
Working backwards from the result, he thought again and again about what could have betrayed him. This led to the shuffling taking even more time.
The shuffling would only end once the old man had arrived at a good enough conclusion.
No matter how much he thought about it, there was only one answer.
Incredibly visual acuity or even the use of Qi weren't enough. It wasn't uncommon for the old man to hide the cups, or the ball while he shuffled. Making this look natural was no easy task, but he was an expert at it.
Intent.
