The Battle Arena is where trainers from all over the world go to to compete in the 4-year Arena Challenge. There are many different arenas each with there own rules and effects on the battle. It's up to you challenge and defeat as many Arena Masters before the challenge ends. To challenge these arena masters you must win twenty battles there. There are different rules in the Battle Arena as you can use from one pokemon to at most eight. This a new way to test a trainers's true potential and skill.