Animal battle

Interaction between two species from different world is prohibited by the Union of the Empires. Such interaction can cause major injuries to one or both creatures and also be call animal crualty by the sens that both were never meant to met.
This is specially true for animal battles, which occur in some places with the help of the black market.

There are different categories of fighters:
>A class: Massive animal. Colossal and big, strong, powerful, they make the biggest shows and are the most profitable for owners.
>B class: Rogue, strong energic, like bears and lions for example.
>C class: Minus rogue, agile, claws and teeth and else, like dogs and hyenas
>D class: small animal, more like cat-size
>E class: little animals, rat-size
>F class: Smalest animal to fight, most of them are the size of insect like arachnid and insects.

Sometimes, fight can occur between animals from different class if their natural weapon is deadlier than expected.