Killing Indiscriminately in Hogwarts with Debuffs

No cp Phoenix Black has been rejected in the orphanage since he was a child because of his frail body. Everything changed when he was 11 years old. When he was 11 years old, he received a notice from the magical world since then In terms of learning, he is like a fish meeting water, he is very smooth, as if he was born to use magic. After spending one stable school year, at the beginning of the second school year, he discovered that a huge chess game had begun in the entire magical world. The game between the two sides made him aware of a glimmer of interest. After entering the game at half time, he killed everyone in the game to avenge his father and clear his grievances. He also saved his reckless uncle.