Yu-Gi-Oh's Back Spirit System

"After joining the Knights, if you are interested, the Knights can also arrange for you to take the Cambridge test - but for the meaning of the Dark Duelist itself, this diploma often seems insignificant."

"The Knights have implemented the same rules as other dark duelist organizations, that is, it is very troublesome to join. You must go through the apprenticeship stage and get an excellent evaluation before you can participate in subsequent trials and then officially join."

"This kind of rule was handed down from the time when the sun never set on the Empire. The mainstream method of dark duel back then was playing bridge. Now Great Britain has changed from an empire on which the sun never sets to a country that sticks to the British Isles. This kind of ancestral law is immutable. '’s behavior was an important reason why the Knights were singled out by Yujo Yui.”

"Headquarters 'Phantom Heroes - Trinity'..."

…

After all this, Ojiao spent a lot of effort to finally read the files of the "Cambridge University Rose Knights". Then the girl looked helplessly at Li Zheng, who was floating with the car.

["Li Zheng, could you please stop adding so much private information to the information? It's a top-notch dark duelist organization in the UK. In your description, it's like...a street fighting society? And why do you keep saying this?" Were they singled out?\