7
Only black and white. Triple battles are battles in which three Pokemon are used by each trainer. There are many new strategies for 1 more Pokemon usable at a time!
You actually have to have 1,000 BP points. Sorry!
This has been answered many times before. Anyway... Pokemon are different (e.g. main legendary), places are different (e.g. Black City / White Forest), and there are different battles.
100 battles
There are ten Areas in pokemon colosseum. Each area has ten battles and in all there are 100 battles
A lot
52
450
you have to do 21 battles. by Matthew long
7
100
battles elp, but give the Pokemon pokeblock, poffin, etc. and a soothe bell if you have 1. hope this helped. srry i it didn't