cresselia will be roaming sinnoh
Canalave City head down from the poke centre its the first house.
pancakes
it is in veilstone city
hearthome city
It is in Sunyshore City.
beat bryon in the steel gym, canalve city
In a house on the right side of Canalve City
i think it happens when you beat the elite four
They are there because you need to give the elder of Celestic town the old charm
Get Mystery Gift and then get the member card, get the national pokedex and then try again
there is no Pokemon in the way STUPID
you went to the wrong door . try the door near the sailor in canalve city.
nbmnbmbkmb
its cause its not in the game
cross the water to the west of jubilife
Canalave City head down from the poke centre its the first house.
After you have beat the 5th gym leader, Fantina, go to Jubilife City and go left. there should be a pathway that goes into a smallish lake. Surf on that until you reach land to your left. Just past there is Canalave City.