It is impossible to not be able to put the oddkeystone in unless you have a glictch or you click no when putting in the odd keystone
not much all that happens is cressilia becomes a running Pokemon
When the screen shakes it means that one of your Pokemon is poisoned and your HP is going down.
Pokerus happens at random, it is about as rare a finding a shiny pokemon.
Nothing really, only the fact that you have it, and it exists.
i think it happens when you beat the elite four
The Odd Keystone is given to you by a man on route 208
nothing happens
Then you have a level 70 pokemon!
nothing
You get a Pokemon entry in your pokedex.
I have no ideas
nothing............. you just caught all the Pokemon congratulations
It will corrupt your games' data.
A spiritomb will apear unless you hav'ent met 32people in the underground.
you fight your rival
why wouldn't you be able to?
not much all that happens is cressilia becomes a running Pokemon