Walkthrough
North of Route 10 is Wyndon, a grand city home to the Pokemon Stadium and Rose Tower (later Battle Tower). The Stadium is actually where the Champion Cup will be held, so the goal is to eventually make your way over to it once you are finished exploring the city.
Trainers
Cafe Master Richard: Level 47 Slurpuff, Level 47 Alcremie
League Staff Isaac: Level 34 Rotom, Level 34 Rotom, Level 34 Rotom
Items
Air Balloon: Near Phone Booth By Rose Of The Rondelands
Rotom Catalog: Defeat League Staff Isaac
Grassy Seed: In Middle Of Eastern Park
Max Revive: Hidden Near Western Phone Booth
Black Sludge: Hidden In Parking Lot By Stadium
Rare Candy: Hidden In Eastern Maze
Strawberry Sweet: Defeat Cafe Master Richard
Love Sweet: Defeat Cafe Master Richard
Berry Sweet: Defeat Cafe Master Richard
Clover Sweet: Defeat Cafe Master Richard
Flower Sweet: Defeat Cafe Master Richard
Lumiose Galette: Defeat Cafe Master Richard
Lava Cookie: Defeat Cafe Master Richard
Shalour Sable: Defeat Cafe Master Richard
Rage Candy Bar: Defeat Cafe Master Richard
Sachet: Defeat Cafe Master Richard
Sweet Heart: Defeat Cafe Master Richard
Moomoo Milk: Defeat Cafe Master Richard
Pewter Crunchies: Defeat Cafe Master Richard
Rare Candy: Southwestern Battle Tower Area
Electric Seed: Nothwestern Battle Tower Area
Cell Battery: Northeastern Battle Tower Area
Southern Pokemon Center PokeMart Items (Through Storyline Progression)
Poke Ball, Great Ball, Ultra Ball
Potion, Super Potion, Hyper Potion, Max Potion, Full Restore
Antidote, Burn Heal, Ice Heal, Awakening, Paralyze Heal, Full Heal, Revive
Escape Rope, Repel, Super Repel, Max Repel, Poke Doll
Luxury Ball, Quick Ball, Repeat Ball
HP Up, Protein, Iron, Calcium, Zinc, Carbos
Northern Pokemon Center PokeMart Items (Through Storyline Progression)
Poke Ball, Great Ball, Ultra Ball
Potion, Super Potion, Hyper Potion, Max Potion, Full Restore
Antidote, Burn Heal, Ice Heal, Awakening, Paralyze Heal, Full Heal, Revive
Escape Rope, Repel, Super Repel, Max Repel, Poke Doll
TM03, TM04, TM05, TM63, TM12
TM08, TM09, TM60, TM61, TM62
Train Station PokeMart Items (Through Storyline Progression)
Poke Ball, Great Ball, Ultra Ball
Potion, Super Potion, Hyper Potion, Max Potion, Full Restore
Antidote, Burn Heal, Ice Heal, Awakening, Paralyze Heal, Full Heal, Revive
Escape Rope, Repel, Super Repel, Max Repel, Poke Doll
Fresh Water, Soda Pop, Lemonade