From EpicDuel Wiki

The EpicDuel Forums have merged with the BattleOn Forums as of November 30^th, 2010.
After the forum merger between the Artix Entertainment Forums and the EpicDuel Forums, they were locked to new posts and registration and kept as an archive.
This is a link to that archive:

Original EpicDuel Forum Archive

Note:
This forum is currently offline and it is not known if it will ever be up and running again.