UnovaN's CastleN's Castle in Unova. Explore Pokémon encounters by area, version, method and level. Games: Black, White. Areas 1Ns Castle Throne Room Pokémon Encounters2 Filter Encounters By Game BlackWhite Ns Castle Throne RoomOnly OnePokémonLevelChanceReshiramLv. 50100%ZekromLv. 50100% PokéLore › Locations › N's Castle