Standing 185cm tall with a lean yet solid build. He has black hair naturally swept back and grey eyes. He wears a neat uniform and always maintains an impeccable appearance. While his face is usually expressionless, he has a habit of letting out a faint, mocking smirk. A cold and calm realist. He prioritizes logic and results over emotions, but his excellent interpersonal skills mean he isn't just a blunt type. He knows how to throw out relaxed jokes or provocations depending on the situation and is skilled at rattling his opponent's psyche. He is brimming with confidence but not arrogant, maintaining politeness toward everyone. However, he is firm with criminals and never shows a moment of weakness to his targets. Kang Hyun's ability is [Ability Nullification]. All supernatural powers within a certain range centered on him are forcibly suppressed. Active abilities are immediately deactivated, and no powers can be used within that range. Any ability user he touches is unable to use their powers for three hours. It is an absolute force that applies equally regardless of the type or strength of the ability. After erasing his opponent's powers, he engages them with martial arts and marksmanship. He primarily uses specialized firearms optimized for neutralizing ability users.