Part 4: Thunder Badge — Rock Tunnel to Celadon City
Routes 7 to 10, Rock Tunnel, Lavender Town, Celadon City and the Rocket Hideout, up to Erika. Challenge Mode: Hideout Giovanni 31, Erika 31.
Thunder Badge — Rock Tunnel to Celadon City opens 25 areas. There are 115 trainers standing in them. The fights at this checkpoint are Erika, Boss Giovanni.
Where to go
Celadon City
Wild: Magikarp 100% · Lv 5, Psyduck 99% · Lv 5-40, Slowpoke 99% · Lv 5-40, Grimer 1% · Lv 30-40 +1 more
Trainers: Grimer Master Cory Lv 60, Victreebel Master Dianne Lv 60
Pick up: TM05 Roar, TM10 Hidden Power, TM13 Ice Beam, TM15 Hyper Beam, TM16 Light Screen, TM19 Giga Drain, TM20 Safeguard, TM23 Iron Tail +12 more
Move tutor: Softboiled
Celadon City Condominiums Roof Room
Wild: Eevee Lv 25
Trainers: Charmander Master Tim Lv 60
Power Plant
Wild: Magnemite 30% · Lv 22-25, Voltorb 30% · Lv 22-25, Pikachu 25% · Lv 22-26, Magneton 15% · Lv 31-34 +3 more
Trainers: Voltorb Master Humphrey Lv 60
Pick up: TM17 Protect, TM25 Thunder, Elixir, Max Elixir (hidden), Max Potion, Thunder Stone, Thunder Stone (hidden), Thunder Stone +1 more
Rock Tunnel 1F
Wild: Geodude 35% · Lv 15-17, Zubat 30% · Lv 15-16, Machop 15% · Lv 16-17, Mankey 15% · Lv 16-17 +1 more
Trainers: Hiker Lenny Lv 19, Picnicker Ariana Lv 19, Hiker Oliver Lv 20, Picnicker Dana Lv 20, Hiker Lucas Lv 21, Picnicker Leah Lv 22 +2 more
Pick up: Escape Rope, Pearl, Repel
Rock Tunnel B1F
Wild: Geodude 95% · Lv 5-30, Zubat 30% · Lv 15-16, Mankey 15% · Lv 16-17, Machop 10% · Lv 17 +2 more
Trainers: Hiker Eric Lv 20, Pokémaniac Cooper Lv 20, Hiker Dudley Lv 21, Picnicker Sofia Lv 21, Picnicker Martha Lv 22, Pokémaniac Steve Lv 22 +3 more
Move tutor: Rock Slide
Route 10
Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 84% · Lv 15-35, Krabby 84% · Lv 15-35 +7 more
Trainers: Hiker Trent Lv 19, Picnicker Heidi Lv 20, Pokémaniac Herman Lv 20, Hiker Clark Lv 21, Picnicker Carol Lv 21, Pokémaniac Herman (Vs. Seeker rematch 1) Lv 29 +9 more
Pick up: Cheri Berry (hidden), Kelpsy Berry (hidden), Max Ether (hidden), Persim Berry (hidden), Super Potion (hidden)
Move tutor: Swagger
Route 7
Wild: Meowth 40% · Lv 17-20, Pidgey 30% · Lv 19-22, Bellsprout 20% · Lv 19-22, Oddish 20% · Lv 19-22 +2 more
Trainers: Growlithe Master Austin Lv 60
Pick up: Qualot Berry (hidden)
Route 8
Wild: Meowth 30% · Lv 18-20, Pidgey 30% · Lv 18-20, Ekans 20% · Lv 17-19, Growlithe 20% · Lv 15-18 +2 more
Trainers: Lass Megan Lv 19, Super Nerd Aidan Lv 20, Gamer Stan Lv 22, Lass Julia Lv 22, Super Nerd Glenn Lv 22, Twins Eli & Anne Lv 22 +13 more
Pick up: Leppa Berry (hidden), Lum Berry (hidden), Rawst Berry (hidden)
Route 9
Wild: Rattata 40% · Lv 14-17, Spearow 35% · Lv 13-17, Ekans 25% · Lv 11-17, Sandshrew 25% · Lv 11-17
Trainers: Picnicker Alicia Lv 18, Bug Catcher Brent Lv 19, Camper Drew Lv 19, Bug Catcher Conner Lv 20, Hiker Brice Lv 20, Hiker Jeremy Lv 20 +11 more
Pick up: TM40 Aerial Ace, Burn Heal, Chesto Berry (hidden), Ether (hidden), Rare Candy (hidden)
Rocket Hideout B2F
Trainers: Team Rocket Grunt Lv 17, Rhydon Master Euggine Lv 60
Rocket Hideout B1F
Trainers: Team Rocket Grunt (4) Lv 19, Team Rocket Grunt (3) Lv 20, Team Rocket Grunt (1) Lv 21, Team Rocket Grunt (2) Lv 21, Team Rocket Grunt (5) Lv 22, Arbok Master Adam Lv 60
Celadon City Game Corner
Trainers: Team Rocket Grunt Lv 20, Porygon Master Jordan Lv 60
Rocket Hideout B3F
Trainers: Team Rocket Grunt (1) Lv 20, Team Rocket Grunt (2) Lv 21, Weezing Master Donnie Lv 60
Celadon City Gym
Trainers: Beauty Bridget Lv 21, Cooltrainer Mary Lv 22, Lass Kay Lv 23, Lass Lisa Lv 23, Beauty Lori Lv 24, Beauty Tamia Lv 24 +3 more
Rocket Hideout B4F
Trainers: Team Rocket Grunt (3) Lv 21, Team Rocket Grunt (1) Lv 23, Team Rocket Grunt (2) Lv 23, ★ Boss Giovanni Lv 29, Persian Master Shawn Lv 60
Celadon City Condominiums 2F
Trainers: Mr. Mime Master Rui Lv 60
Celadon City Department Store 2F
Trainers: Vaporeon Master Yue Lv 60
Celadon City Department Store 3F
Trainers: Jolteon Master Alphonse Lv 60
Celadon City Department Store 4F
Trainers: Flareon Master Dax Lv 60
Celadon City Hotel
Trainers: Arcanine Master Satch Lv 60, Gyarados Master Dominic Lv 60
Lavender Town
Trainers: Gastly Master Arin Lv 60, Gengar Master Ross Lv 60, Haunter Master Danny Lv 60
Lavender Town Volunteer Pokémon House
Trainers: Marowak Master Julius Lv 60
Route 7 East Entrance
Trainers: Sandslash Master Benjamin Lv 60
Route 8 West Entrance
Trainers: Cubone Master Richter Lv 60
Also open from here
1 more area the same checkpoint opens, each with its own page.
★ Erika — Celadon City Gym
| Pokémon | Moves | |
|---|---|---|
 | Victreebel Lv 29 · Chlorophyll | Stun Spore Acid Poison Powder Giga Drain |
 | Tangela Lv 24 · Chlorophyll | Poison Powder Constrict Ingrain Giga Drain |
 | Vileplume Lv 29 · Chlorophyll | Sleep Powder Acid Stun Spore Giga Drain |
★ Boss Giovanni — Rocket Hideout B4F
| Pokémon | Moves | |
|---|---|---|
 | Onix Lv 25 · Rock Head | Bind Rock Throw Harden Rage |
 | Rhyhorn Lv 24 · Lightningrod | Tail Whip Stomp Fury Attack Scary Face |
 | Kangaskhan Lv 29 · Early Bird | Bite Tail Whip Fake Out Mega Punch |