The Battle Trial Arc (戦闘訓練編, Sentō Kunren Hen?) is the third story arc in My Hero Academia and the third story arc in the U.A. Beginnings Saga. The students of Class 1-A are separated into groups of two and compete against each other, Heroes vs. Villains style. Among the matchups is Izuku Midoriya going up against his childhood friend and bully, Katsuki Bakugo, who is eager to demonstrate his strength and superiority.