Assassination Classroom: School Festival

While not a traditional fighting tournament, the school festival arc in Assassination Classroom functions as a high-stakes competition between classes. It is a brilliant display of strategy, teamwork, and character development. The students must use their unique skills to outperform their rivals, all while dealing with the looming threat of their teacher's assassination. It is a heartwarming, funny, and surprisingly tense arc that highlights the growth of the students and the bond they share with their unconventional teacher.