I never entered the void but if you go to the right of the lamps by the north and tweak and go west after the tweak and see if you created the void and it's rare to find a grassy void.
In the same place as Pokemon Diamond/Pearl
yes it's in Jubilife City, head north,enter condominium, bloned girl next to pikachu
When in Jubilife City, take the path that goes to east and follow it through the cave and you will enter the city.
It's not in Jubilife City.
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go left from jubilife and surf
There is no way to get an Egg in Jubilife City.
near jubilife city in the left.use surf near the left to jubilife city.
There is no Jubilife City Gym. If you mean Oreburgh City Gym, then the gym leader is in the Oreburgh Mines, and the entrance is to the very south of Oreburgh City.
The duration of Enter the Void is 2.57 hours.
Yes there is. Its to the left of Goldenrod City, pass the Radio Station.
There is no Badge in Jubilife. There is one in Oreburgh,though.