How to Get to Black City in Pokemon White
| Black City Black City is a city that is completely exclusive to Pok�mon Black. This city will feature many characters and tasks that will not occur in Pok�mon White. In it, you'll find numerous trainers to battle and numerous shops selling items. |  |
| White Forest White Forest is a city that is completely exclusive to Pok�mon White. Unlike Black City, White Forest will have a variety of wild Pok�mon as well as characters and tasks that will not occur in Pok�mon Black. These include 32 Pok�mon unavailable in Black and a variety of items. |  |
Black City & White Forest both focus on the technology versus nature aspect of the games. As such, Pok�mon Black has numerous trainers with fully evolved Pok�mon while Pok�mon White has their base form as wild in Level 5. When you get to the area, you will notice you only have ccess to a certain amount of these. The Pok�mon you will find will change when you encounter others using the Entralink feature within the games. The Pok�mon you encounter in these areas is set by your game randomly when you begin.
Over time, if you fiddle with the clock too much, the areas will become deserted with no buildings and trainers in Black City and no grass in White Forest. To fix this, you'll need to go into Entralink with your friends and try and get people to come to your areas. This can only be done between Black City & White Forest. You will not be able to get other trainers to go from two White Forests or two Black Cities. You can only have up to 10 characters in your area at any one time
Each character you encounter has a set value which determines the rate in which they leave. In order to keep them there, you'll need to talk to the inhabitants often and allow them to stay. Once the points hit 0, the character will leave. The points will be detailled below but here is a table stating the rate in which the trainers will stay or leave
| Function | Point Value |
| Day Passes | -5 per day |
| Enter the Area | +3 |
| Battle the Trainers Black City | +7 |
| Talk to the characters White Forest | +10 |
Pok�mon, Trainers & Items
The characters within the area completely control the Pok�mon and items you will encounter within the area. This allows for every experience to be different. In order to change the Pok�mon and/or trainers you encounter, you need to connect to Entralink with a friend. Once you have done this, interact with the trainers in Black City or the characters in White Forest while in the Entralink and they will begin migrating into your version. If you go to Black City through Entralink while playing White, the base form Pok�mon of the trainers you speak to will appear in White Forest and if you go to White Forest while playing Pok�mon Black, the wild Pok�mon you encounter in the game will cause the trainer with the fully evolved forms to appear in your game.
The items which are seen can be purchased in the market of Black City at any time while the characters are in your city. However, in White Forest, a random amount of items is set every day from 0 to the number of characters you have in White Forest so you can theoretically go days without them appearing on the ground.
The Pok�mon encountered within White Forest cannot be Repelled and are all set at Level 5.
| Character | Black City | White Forest | Leaving Value | |||||
| Battleable Pok�mon | Market Item | Grass Pok�mon | Water Pok�mon | Item | Black | White | ||
| Backpacker Emi エミ（バックパッカー） |  Blissey Lv. 30 |  Fluffy Tail - 15,000 |  Happiny |  Corphish |  Timer Ball | 30 | 70 | |
| Pok�mon Ranger Eliza エリザ（ポケモンレンジャー） |  Flygon Lv. 61 |  Blue Shard - 3,000 |  Trapinch |  Lotad | Blue Shard | 70 | 30 | |
| Hiker Gene ガクト（やまおとこ） |  Aggron Lv. 40 |  Big Mushroom - 20,000 |  Aron |  Surskit | Big Mushroom | 30 | 70 | |
| Scientist Marie カズホ（けんきゅういん） |  Magnezone Lv. 50 |  Green Shard - 3000 |  Magnemite | Lotad | Green Shard | 70 | 30 | |
| Backpacker Carlos カルロス（バックパッカー） |  Staraptor Lv. 30 |  Oval Stone - 10000 |  Starly | Corphish | Oval Stone | 70 | 30 | |
| Battle Girl Karenna カレン（バトルガール） |  Slaking Lv. 56 |  Leaf Stone - 10000 |  Slakoth | Lotad | Leaf Stone | 30 | 70 | |
| Socialite Grace グレース（マダム） |  Salamence Lv. 40 |  Dawn Stone - 10000 |  Bagon |  Wooper | Dawn Stone | 20 | 30 | |
| Veteran Ken ケン（ベテラントレーナー） |  Nidoking Lv. 67 |  Thunder Stone - 10000 |  Nidoran♂ | Corphish | Thunder Stone | 70 | 30 | |
| Clerk Britney サトコ（OL） |  Jumpluff Lv. 40 |  Rare Bone - 30000 |  Hoppip | Surskit | Rare Bone | 30 | 70 | |
| Scientist Jacques サトル（けんきゅういん） |  Nidoqueen Lv. 50 |  Poke Doll - 18000 |  Nidoran♀ | Lotad |  Dive Ball | 30 | 70 | |
| Lady Lynette シオリ（おじょうさま） |  Vileplume Lv. 34 |  Bellossom Lv. 34 |  Heart Scale - 10000 |  Oddish | Surskit | Heart Scale | 70 | 30 |
| Schoolkid Leo シュウサク（じゅくがえり） |  Pidgeot Lv. 45 |  Stardust - 10000 |  Pidgey | Surskit | Stardust | 70 | 30 | |
| Ace Trainer Vincent ジュンイチ（エリートトレーナー） |  Magmortar Lv. 62 |  Fire Stone - 10000 |  Magby | Corphish | Fire Stone | 30 | 70 | |
| Pokemon Ranger Ralph ソウスケ（ポケモンレンジャー） |  Ludicolo Lv. 61 |  Water Stone - 10000 | Lotad | Surskit | Water Stone | 30 | 70 | |
| Black Belt Ryder タクマ（カラテおう） |  Machamp Lv. 56 |  Nugget - 50000 |  Machop | Lotad |  Quick Ball | 70 | 30 | |
| Roughneck Dave タクロウ（スキンヘッズ） |  Gengar Lv. 30 |  Tinymushroom - 3000 |  Gastly | Surskit | Tinymushroom | 70 | 30 | |
| Gentleman Frederic ツネカズ（ジェントルマン） |  Roserade Lv. 40 |  Luxury Ball - 50000 |  Budew | Wooper |  Honey | 30 | 20 | |
| Schoolkid Shane トシノブ（じゅくがえり） |  Rhyperior Lv. 45 |  Berry Juice - 1500 |  Rhyhorn | Surskit |  Net Ball | 30 | 70 | |
| Clerk Doug トモタカ（ビジネスマン） |  Luxray Lv. 40 |  Red Shard - 3000 |  Shinx | Lotad | Red Shard | 70 | 30 | |
| Rich Boy Pierce ヒトシ（おぼっちゃま） |  Ampharos Lv. 35 |  Poke Ball - 10000 |  Mareep | Surskit | Poke Ball | 30 | 70 | |
| Backpacker Herman ヒロアキ（バックパッカー） |  Porygon-Z Lv. 30 |  Dusk Stone - 10000 |  Porygon | Wooper | Dusk Stone | 80 | 20 | |
| Schoolkid Silvia ヒロコ（じゅくがえり） |  Beautifly Lv. 44 |  Dustox Lv. 44 |  Pearl - 6000 |  Wurmple | Surskit | Poke Ball | 30 | 70 |
| Clerk Collin ヒロノリ（ビジネスマン） |  Alakazam Lv. 40 |  Yellow Shard - 3000 |  Abra | Lotad | Yellow Shard | 30 | 70 | |
| Backpacker Molly ヒロミ（バックパッカー） |  Azumarill Lv. 30 |  Shiny Stone - 10000 |  Azurill | Lotad | Shiny Stone | 20 | 80 | |
| Youngster Robbie マサオ（たんぱんこぞう） |  Electivire Lv. 30 |  Fresh Water - 1000 |  Elekid | Surskit |  Great Ball | 70 | 30 | |
| Lass Miki ミキ（ミニスカート） |  Togekiss Lv. 30 |  Max Repel - 5500 |  Togepi | Surskit |  Repeat Ball | 30 | 70 | |
| Nursery Aide Miho ミホ（ほいくし） |  Shiftry Lv. 40 |  Big Pearl - 38000 |  Seedot | Surskit |  Ultra Ball | 70 | 30 | |
| Clerk Piper ユミコ（OL） |  Victreebel Lv. 40 |  Star Piece - 48000 |  Bellsprout | Surskit |  Nest Ball | 70 | 30 | |
| Ace Trainer Lena レナ（エリートトレーナー） |  Gardevoir Lv. 61 |  Gallade Lv. 61 |  Sun Stone - 10000 |  Ralts | Wooper | Sun Stone | 20 | 80 |
| Veteran Rosa ローザ（ベテラントレーナー） |  Exploud Lv. 67 |  Moon Stone - 10000 |  Whismur | Lotad | Moon Stone | 80 | 20 | |
| Rewards In addition to the above, there are a variety of rewards for defeating the trainers or capturing the Pok�mon within the forest, depending upon your version |  |
Trainers
Finally, there are also several trainers in both Black City & White Forest. You can only battle these trainers once but they showcase the Rotational Battles in Black and Triple Battles in White. They are as follows;
Black City
White Forest
How to Get to Black City in Pokemon White
Source: https://www.serebii.net/blackwhite/blackcitywhiteforest.shtml