I think you are mixing up the battle area with the battle frontier at fight area. That's my answer
It's in the battle frontier at the battle area
in the fight area
None.
the survival area battle cafe BUCK
The Battle Tower is still there at the fight area but now it is the battle froniter
You can play battle revolution with Pokemon platinum.
battle island, in the route above thesurvival area i believe
The rival the third time you battle him in survival area
you have to beat cynthia.than,go to the fight area.(top right of map)
Pokemon battle platinum
Nobody in Pokemon platinum has a charmander.........
Pokemon platinum can interact with battle revolution in the same way as diamond and pearl