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.

70 A.D. The Roman army has conquered almost all of the human civilization, now they move towards non-humans orcs and wyverns. Durandal, last of wyverns has trained son of the man who it killed. Fin, orpahan and a slave, who wishes to see the outside world.