You use the HM you get in the lost tower you also have to have beaten the 6th gym, ok
Go through a cave entrance or exit and they will go back to normal.
He is in Eterna City, to the south of the Pokemon Center.
Go into the 3 caves on seven island there are more caves thoughYou first need to go to seven island. When you get there go south. You will need to carry pokeballs, a Pokemon who uses surf, a Pokemon who uses strengh, and a Pokemon who can weaken an unknown so you can catch it. When you go south there are two ways. Go east and then go down and you will end up seeing a cave. Then go in the cave and you will need to push the boulders around. Once your done go south and you will eventually end up at the south where you need to use surf. Then go to any cave. It will show unknowns ( note that each cave have different unknowns). Run around and an unknown will appear. Weaken it and catch it. Here you go, you got the unknown.Those Pokemon can be found in the tanoby chambers but only after solving the boulder puzzle in tanoby key (push all the boulders into the holes).
It's in the south east of sunnyshore city.
The hiker (in Pokemon Diamond, Pearl and Platinum) to find a Happiny will be on Route 210, South Pokemon with Breeder Kahlil.
Its in the southern western sea South of molida island you will find three boulders. The island is between those boulders.
Go through a cave entrance or exit and they will go back to normal.
south of hearthome city
Go South of Hearthome City
The Pokemon mansion is south(Down) from hearthome city.
south of the town
In Canalave City, the first house, south of the Pokemon center.Its south westThere isn't a move deleter in Pokemon diamond or Pearl
He is in Eterna City, to the south of the Pokemon Center.
in the mansion south of hearthome city
Boulders Beach: Simon's Town, South Africa
The mansion south of hearthome. A maid will give it to u
Go into the 3 caves on seven island there are more caves thoughYou first need to go to seven island. When you get there go south. You will need to carry pokeballs, a Pokemon who uses surf, a Pokemon who uses strengh, and a Pokemon who can weaken an unknown so you can catch it. When you go south there are two ways. Go east and then go down and you will end up seeing a cave. Then go in the cave and you will need to push the boulders around. Once your done go south and you will eventually end up at the south where you need to use surf. Then go to any cave. It will show unknowns ( note that each cave have different unknowns). Run around and an unknown will appear. Weaken it and catch it. Here you go, you got the unknown.Those Pokemon can be found in the tanoby chambers but only after solving the boulder puzzle in tanoby key (push all the boulders into the holes).