you need an action replay with walk/run anywhere on. all you have to do then is go through or around it.
BEHIND THE LEAGUE
Empty space known as the Mystery Zone. It is impossible to get behind the Leauge, unless you cheat.
No, there is no short cut to the Pokemon league building in Pokemon pearl.
get out of victry road
surf around the pokemon league
There is a road behind the Pokemon league where Shaymin can be found if you get Oak's letter.
she is in the pokemon league
in the Pokemon league. Yes, it is but you have to go through a cave to get to it. Look on your map.
finish your pokedex
.....The Pokemon league......
You dont
You have to beat the Pokemon League.