Arzatoros (Arzatoros horridus), the Raging Shield, is a Herbivore that, unlike most Herbivores, is actually a boss monster. It resembles a Triceratops or a Torosaurus in appearance, as well as Stegosaurus when it comes to its tail. These aggressive creatures tend to get quite large, usually equal to Barroth in length. Like Apceros, Rhenoplos, and Slagtoth, they are fiercely territorial, and their horns are capable of ripping a Velocidrome in two. In Rage Mode, the eyes will be bloodshot, its frill will rush with blood and turn the stripes crimson, and it will huff steam.