Taurus Ballista

Taurus Ballista is the Buffalo Lord in the World of Agito and the main antagonist of the "Agito" arc of Kamen Rider Decade.

World of the Rider War
Taurus Ballista was recreated by Super Apollo Geist by combining Lords Formica Regia, Propheta Cruentus, and two Formica Pedes. He is later destroyed by Kamen Rider Hibiki.

Kamen Rider Decade: All Riders vs. Dai-Shocker
Taurus Ballista led a group of monsters to attack Tsukasa Kadoya. However, Tsukasa is brought to his senses by the A.R. Joji Yuki and leaves to go face Dai-Shocker while Joji Yuki stays behind to fight off the monsters. The result of that battle isn't shown.

Kamen Rider × Super Sentai: Super Hero Taisen
Taurus Ballista was part of the Shocker-Zangyack Alliance, appearing among the army of monsters in the final battle against the Kamen Riders and Super Sentai. During the battle, Taurus Ballista can be briefly seen being pushed away by Red Racer.