Lead Dungeon (BTDB1)

Lead Dungeon is one of various arenas that players can go to get the chance to win double the entry fee. It costs 100 to enter, but when won it rewards 200.

If you want to earn the COBRA more safely, use this league.

Player Rate
Lead Dungeon Arena has a player rate of approximately 380 Players per hour.

While Lead Dungeon never opens permanently as purely a normal-mode Arena, it sometimes may spawn a Club version of itself on some days, which brings in approximately the same amount of players, usually those have access to Unlimited Club Access.

Trivia

 * Like Rainbow Ruins, When the club arena is open it replaces the normal arena.