You can access the fightclub debug menu by clicking on Debug (only on the test server) or by wearing a dev cap while talking to Rouge.
$fightclub_name$
This variable is the name of the fightclub, which is used by any npc referring to the fight club. Please note that if you change the name of the fight club you also need to edit 009-7.tmx to reflect the changes.
$Duel_Enabled
This variable is like the main breaker of the fight club. When set to 0, all timers are stopped, users can no longer call #duel and Rouge do not offer any option related to the fight club. Turning this off will completely disable the fight club.
$Duel_TimeBeforeNext
This variable is the number of time (in seconds) to wait between each battle. When a battle ends, a timer is started and the next battle is scheduled after.
$Duel_TimeBeforeWarp
This variable is the number of time (in seconds) to wait before warping the players into the ring. This is the "The next battle is foo vs bar. this battle will start in X seconds"
$Duel_TimeBeforeStart
This variable is the number of time (in seconds) to wait after all players are in the ring to start the battle. When players are warped into the ring they see the message "Get Ready" and X seconds later "Go!". This allows both players to move to desired location before getting @killer
$Duel_TimeLimit
This variable is the number of time (in seconds) before ending the battle with no winner.