The Wizards of the Black Circle

The Wizards of the Black Circle was a fairy hunter organization on Earth dedicated in the removal of fairies and became the central fairy hunter organization with the goal of taking out the fairy hegemony of Earth. It was formed from Carina who became the first leader of the organization. The organization was known for choosing people on Earth who's magic hasn't been disabled thanks to the fairies disabling Earth humans' magic long ago. Usually training those people who still have the potential to unlock their powers into warriors. Humans on Earth who still had powers were known as wizards which was why the organization was called the Wizards of the Black Circle. The organization was able to accomplish the fall of Tir Nan Og and eventually was able to gave way to the rise of Enlightenment destroying kingdoms in the process. After WWII, The Wizards of the Black Circle continued but complications of the Cold War caused it to disband. After a decade some fairy hunters from the organization regrouped and rebranded as the New Wizards of the Black Circle in order to combat some of the remaining fairies on Earth as well as to continue solving the mystery of Earth fairies being able to strip powers from humans and ushering Earth to become a fairy hunter republic.

Operations
The Wizards of the Black Circle kill or reform fairies like normal fairy hunters. However due to the Earth fairies being able to strip power from humans, Wizards of the Black Circle have been capturing fairies in order to figure out how the fairies were able to take away powers from humans and also to bring it back. Often capturing the more powerful and elite class fairies and items from fairy kingdoms, they would often experiment with live fairies and items often targeting fairies from elites and powerful ones. Although painful and could disgust even some fairy hunters, Wizards of the Black Circle thinks it's necessary in order to bring back the power to humans. Though Wizards would sometimes asked reformed fairies about anything about how humans are stripped from their power which would give the wizards great intel. The Wizards would also find humans who still have powers left and allow these people to join them and activate their powers allowing their powers to grow strong.

History
After the Romans fell the world was under total domination of the fairies. The fairies built their vision of Earth which's one with peace. A peace with a cost, the peace kept the humans unaware and easy to manipulate to control, the humans were at the mercy of the fairies. Fairies had to be appeased by the humans or face certain punishment usually death. Especially hitting hard in Europe where the ruler of the Earth kingdoms Tir Nan Og ruled all the other fairy kingdoms. Fairies built a world of peace during this time, but the peace costed humans being powerless against the fairies and humans being very weak. Humans were deprived of knowledge allowing humans to be easily controlled by the fairies and often falling into lies by the fairies. Fairies controlled humans essentially. This all changed from a human named Carina.

The Start of the Black Circle
Carina a scholar in the Abbasid Caliphate always had weird strange things happen to her. She tried to explain what's going on with fellow scholars but no one seemed to understand her and thought she was going crazy. Carina experimented with the magic around her but she got the attention of fairies but were able to blast them away before hiding off somewhere. In the Abbasid Caliphate Carina continued to toy with her powers in secret, conducting experiments to see what's up with her. Carina was eventually able to meet a few more people who had powers on their own becoming the Wizards of the Black Circle. The Wizards of the Black Circle purpose back then was to find magical talented people and find the reason behind why some people have magic and some don't.