The fifth floor of the training building was where fourth-year students attended public lessons. However, in this Great Genetic Age, not many fourth year seniors are in the school anymore.
Thus, the public training hall occupied less than a third of the second floor.
As for the remaining area, the school had set up a relatively high-standard arena that was bulletproof on all sides. It was the kind that could withstand the shots from firearms and energy weapons. It was convenient for some students to go through extreme tests.
Li Cheng and the rest of the students from the School of Enlightened Mind arrived at Arena 4. It was a room that was 25 meters long and 15 meters wide.
They could get a teacher to be the judge. However, they had to pay a little for a private battle like this. Otherwise, if 10% of the school's students asked the teacher to be the judge, the teacher would have to do nothing but this.