Set in fictional Rome, slaves, criminals, orphans, and monsters fight in the Colosseum. Losing means death. Winning means you live for another day. Fin, a talented gladiator, was raised and trained by the last living wyvern. Yet fate and the emperor are cruel to the two.

Bestiarius has been published in German by Egmont Manga since July 2, 2015 in Italian by Panini Comics under the Planet Manga imprint since November 8, 2014, in Spanish by Milky Way Ediciones since August 25, 2015, and in Brazilian Portuguese by Panini Comics/Planet Mangá since November, 2016.