Excluding the four Event Legends, when you have seen all the 297 regular Pokemons of the Unova Pokedex, go to Professor Juniper, and you will get a permit.
Petilil: Level 20, Type: Grass, Ability: Own Tempo, Hold Item: Power Anklet.HP: 32, Attack 20, Defense: 29, Special Attack: 39, Speed: 23, Nature: Timid.You can trade a Cottonee (found in Castelia City’s grassy area) for a Petilil. You can trade this one with a guy who is inside a building, Eastern side of the Route 4. Pokemon Black and White 2 Rare and Legendary Pokemon Locations There are numerous possibilities you can get to acquire these Pokemon Black and White 2 Rare and Legendary Pokemon and in this guide, we will be detailing how you can get these Pokemon and where you should look for. Rare/Legendary Pokemon have been a big part of Pokemon Games and Pokemon Black and White 2 is no different.