Practice Makes Better
From Twilight Heroes Wiki
As you're walking by a martial arts studio, the sensei invites you in for a quick sparring match, to help sharpen both of your skills. Figuring practice against a master would always be beneficial, you agree. The sensei takes careful measure of your getup and stance, and then approaches with appropriate countermeasures.
It's a good all-around workout, and you walk away feeling better for the experience.
You gain 95-101 experience.
or
By the end of the match you feel you've really enhanced your reaction time. You gain 3 reflexes.