A Bukkit plugin that allows players to challenge each other to duels in arenas.
PersonA types /duel PersonB or /duel PersonB Arena1, then the plugin teleports them to an empty arena (or Arena1).
Players must accept the duel for the duel to work.
Arena locations are specified with the plugin, using /dueler create NAME [type].
Duels last until players die.
The only arenas players are allowed to join while a duel is in progress are FFA arenas.