Stealth

Stealth (超能力ステルス) is the categorized term for superpowers. With the escalating crime rate involving supernatural abilities, it is permitted that even Butei's who are psychics are authorized to countermeasure, thus dubbing them, Super Detectives (超偵). Their powers are ranked and graded by number, with the highest meaning the more powerful. There are currently four types of Stealth in the series.

Level 1 (Ⅰ種超能力者)
Using whatever slightest component in the body as a catalyst to activate the power, such as sugar, alcohol or mana.
 * Shirayuki Hotogi
 * Meiya Romano

Level 2 (Ⅱ種超能力者)
Using external objects containing energy-like substances as a catalyst, such as electricity, sand or spiritual medium.
 * Riko Mine
 * Vlad
 * Patra
 * Hilda Tepes
 * Lisa Ave du Ank

Level 3 (Ⅲ種超能力者)
The ability to manipulate and control any spacial element outside the body, such as fire, ice or air.
 * Katze Grasse
 * Jeanne d'Arc

Level 4 (Ⅳ種超能力者)
Unknown at this point. Either exists as a new-type or a complexity of the 3 above.
 * Sherlock Holmes
 * Aria H. Kanzaki (presumably)
 * Kou/Sun Wukong
 * Habi
 * Nemo