Arena Wars happened in 2004.
Arena Wars was created in 2004.
the best world to go to a duel arena the duel arena is worth less but clan wars go to a clan wars world and fight there
Arena of Octos happened in 1981.
Legion Arena happened in 2005.
Arena Massacre happened in 1699.
Dark Arena happened in 2002.
Laser Arena happened in 2000.
Robot Arena happened in 2001.
Arena of Blood happened in 000.
Nope, you have to wait till level 20 and go in random arena, and team arena.
Battle Arena Toshinden happened in 1994.
Digimon Rumble Arena happened in 2001.