Train it as you train all pokemon.
Yes, you can
It's pretty obvious... EV train (I suggest EV Training in Defense)...
train them without using rare candy's
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.
No,to EV train you need to win experience points,try breeding your lv 100 Pokemon and EV train him. I thought it would be informative to add that you can give the level 100 Pokemon 10 of each vitamin in five stats and 1 vitamin on the sixth stat. Sorry but that's the best you can do.
you need to ev train if not use legendarys
no,they cannot. its impossible to do it.....tht's stupid.