In one duel, he fought murmillo, who was equipped with a wooden sword. At one point, his rival deliberately fell to the ground to show the emperor’s dominance. Caligula, however, without much thought, pulled out a real dagger, stabbed him to death and ran around the arena triumphant.
Often, the emperor deliberately ordered that a special canvas roof (the so-called velum) should not be erected over the stands on hot days. In such heat, he ordered the spectators to watch duels, rejoicing at the suffering of the people.