It depends; if you mean the first time, you go back to Floaroma Town and talk to the man with the honey. He'll give you x10 honey and then you can move on and go to Eterna.
Chat with our AI personalities
after beating mars go to the valley windworks on a Friday morning there you will see a drifloon. Talk to it and it will battle you. It is at lv 15. it will evolve into drifblim at lv 27
you need to beat commander mars first. after a battle the scientist wll tell you there is a balloon Pokemon that always come. drifloon always came every Friday. hope it help!
with empoleon ,infernape and torterra
They basically disappear for the rest of the game
You have to head off to Snowpoint City by going through Mt. Coronet.