give it an exp share and then go do some battles without it getting hurt
the easiest way to train strength would be the Soul Wars minigame.
easiest way to train your Pokemon is by batteling each trainers or you can practice with wild Pokemon in the grass,cave,or sea
Train
treats
Be able to ACT!
With a master ball.
The easiest way is with a mystical lamp.
The easiest way is to go by train
Take it to a dealer
Train. Would have been the easiest method.
use the exp share
By train to Truro and then a bus