Yes, you can
Train it as you train all pokemon.
You an train Pokemon in the grass
It's pretty obvious... EV train (I suggest EV Training in Defense)...
train them without using rare candy's
Blackthorn City in Johto. A lady in a hut will give your Pokemon the ribbon if it has worked hard.
DID u know that it is a kadbra
yes.. you can
of course you can unless the level of the Pokemon is to low to reach 252. just EV train until it wont allow you to give your Pokemon anymore.
probly at the pokemon leuge
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How far are you in the game? Victory road always works, or using your VS seeker. Or, you can EV train. You can search the information if you want to ev train. It can boost stats by a big chunk each time you level.
train your pokemon