당신 get a 랜덤 selection of the pokemon available there and if 당신 don't keep talking to the people there, the amount of pokemon lessen daily IIRC. To get 더 많이 당신 need access to 2 DS-based consoles and a copy of 포켓몬스터 Black and use the wireless system to go into group play, from there 당신 go Black City(same location on the map as White Forrest) and then 당신 ask NPC's(Non-Playable Characters) from there to go to White Forest. This will give 더 많이 pokemon to White Forrest and maybe some that 당신 didn't have to begin with.