Walkthrough
Connected to Route 14 is Route 15, the same that is full of even more Wild Pokemon and Trainers. Luckily, Route 15 will lead you straight into Fuchsia City, where you will find a much needed Pokemon Center and the next Pokemon Gym.
Wild Pokemon
Grasses:
Pidgey (20%): Levels 33-38
Pidgeotto (20%): Levels 33-38
Bellsprout (15%): Levels 33-38
Weepinbell (15%): Levels 33-38
Venonat (15%): Levels 33-38
Venomoth (9%): Levels 33-38
Tauros (5%): Levels 33-38
Pinsir (1%): Levels 33-38
Grass - Special Spawns:
Chansey: Levels 33-38
Sky:
Pidgey (60%): Levels 3-56
Pidgeotto (35%): Levels 3-56
Pidegot (5%): Levels 3-56
Sky - Special Spawns:
Dragonite: Levels 3-56
Charizard: Levels 3-56
Articuno: Levels 3-56
Zapdos: Levels 3-56
Moltres: Levels 3-56
Trainers
Punk Guy Ernest: Level 38 Primeape, Level 38 Muk
Punk Guy Alex: Level 38 Arbok
Beauty Lana: Level 37 Growlithe, Level 37 Growlithe, Level 37 Growlithe
Bird Keeper Edwin: Level 39 Dodrio
Coach Trainer Midge: Level 40 Machoke, Level 41 Magmar
Picnicker Yazmin: Level 37 Tangela, Level 37 Seaking
Obtainable Items
Ultra Balls: Near Punk Guy Ernest
Poke Balls: Defeat Punk Guy Ernest
Poke Balls: Defeat Punk Guy Alex
Hyper Potion: South Of Ledge Near Coach Trainer Midge
Poke Balls: Defeat Beauty Lana
Poke Balls: Defeat Bird Keeper Edwin
TM31: Defeat Coach Trainer (Requires Chop Down)
TM47: Far Northwest Corner
Great Balls: Defeat Picnicker Yazmin (Requires Chop Down)
Golden Nanab Berry: Hidden Within Middle Grass Patch
Post Game
Walkthrough
After defeating the Elite Four and starting the Master Trainers Challenge, you will find a number of Master Trainers on Route 15. In total, there will be four Master Trainers to defeat.
Trainers
Bug Catcher Lajos (Master Trainer): Level 75 Venomoth
Bird Keeper Seymour (Master Trainer): Level 75 Dodrio
Lass Harleen (Master Trainer): Level 75 Tangela
Bug Catcher Louie (Master Trainer): Level 75 Scyther