Part 2: Boulder Badge — Mt. Moon and Cerulean City — Lv. 21 cap
Routes 3, 4, 24 and 25 and Mt. Moon, up to Misty. Flash works from here.
Boulder Badge — Mt. Moon and Cerulean City — Lv. 21 cap opens 12 areas. There are 67 trainers standing in them. The fights at this checkpoint are Rival (Bulbasaur), Rival (Charmander), Rival (Squirtle), and 2 more.
Where to go
Cerulean City
Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 84% · Lv 15-35, Krabby 84% · Lv 15-35 +5 more
Trainers: ★ Rival (Bulbasaur) Lv 18, ★ Rival (Charmander) Lv 18, ★ Rival (Squirtle) Lv 18, Team Rocket Lv 19
Pick up: TM03 Water Pulse, TM28 Dig, Fame Checker, Poké Ball, Rare Candy (hidden)
Cerulean City House 3
Wild: Smoochum Lv —
Mt. Moon 1F
Wild: Zubat 59% · Lv 9-11, Geodude 25% · Lv 10-12, Whismur 20% · Lv 8, Aron 10% · Lv 8 +5 more
Trainers: Bug Catcher Kent Lv 10, Bug Catcher Robby Lv 10, Hiker Marcos Lv 10, Youngster Josh Lv 10, Lass Miriam Lv 11, Super Nerd Jovan Lv 11 +1 more
Pick up: TM09 Bullet Seed, Escape Rope, Moon Stone, Paralyze Heal, Potion, Rare Candy
Mt. Moon B1F
Wild: Paras 100% · Lv 7-12
Pick up: Big Mushroom (hidden), Tiny Mushroom (hidden)
Mt. Moon B2F
Wild: Geodude 100% · Lv 5-25, Zubat 49% · Lv 9-12, Paras 20% · Lv 9-10, Sableye 10% · Lv 5-25 +4 more
Trainers: Team Rocket (2) Lv 11, Super Nerd Miguel Lv 12, Team Rocket (3) Lv 13, Team Rocket (4) Lv 14, Team Rocket (1) Lv 17, Team Rocket Petrel Lv 65
Pick up: TM46 Thief, Antidote, Dome Fossil, Ether (hidden), Helix Fossil, Moon Stone (hidden), Revive, Star Piece
Route 24
Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 84% · Lv 15-35, Krabby 84% · Lv 15-35 +17 more
Trainers: Lass Ali Lv 12, Bug Catcher Cale Lv 13, Camper Shane Lv 14, Youngster Timmy Lv 14, Lass Reli Lv 16, Team Rocket Lv 16 +6 more
Pick up: TM45 Attract, Nugget, Pecha Berry (hidden)
Route 25
Wild: Magikarp 100% · Lv 5, Psyduck 95% · Lv 20-30, Poliwag 60% · Lv 5-15, Poliwhirl 40% · Lv 20-30 +14 more
Trainers: Hiker Nob Lv 14, Camper Flint Lv 15, Lass Haley Lv 15, Hiker Franklin Lv 16, Picnicker Kelsey Lv 16, Youngster Chad Lv 16 +11 more
Pick up: TM43 Secret Power, Black Flute, Bluk Berry (hidden), Elixir (hidden), Ether (hidden), Oran Berry (hidden)
Route 25 Sea Cottage
Wild: Castform Lv 25
Pick up: S.S. Ticket
Route 3
Wild: Spearow 30% · Lv 9, Pidgey 20% · Lv 9, Jigglypuff 10% · Lv 9-11, Mankey 10% · Lv 9 +5 more
Trainers: Bug Catcher Greg Lv 9, Bug Catcher James Lv 9, Lass Janice Lv 9, Bug Catcher Colton Lv 10, Lass Sally Lv 10, Youngster Ben Lv 11 +10 more
Pick up: Oran Berry (hidden)
Route 4
Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 84% · Lv 15-35, Krabby 84% · Lv 15-35 +9 more
Trainers: Lass Crissy Lv 30
Pick up: TM05 Roar, Great Ball (hidden), Persim Berry (hidden), Razz Berry (hidden)
Move tutor: Mega Punch, Mega Kick
Route 4 Pokémon Center 1F
Wild: Magikarp Lv 5
Cerulean City Gym
Trainers: Swimmer♂ Luis Lv 16, Picnicker Diana Lv 19, ★ Misty Lv 21, ★ Misty (rematch) Lv 67
★ Rival (Bulbasaur) — Cerulean City
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Pidgeotto Lv 17 NormalFlying | Ability Keen Eye | Swift Sand Attack Gust Quick Attack | HP63Attack60Defense55Sp. Atk50Sp. Def50Speed71Total349 |
 | Geodude Lv 15 RockGround | Ability Rock Head | Rock Throw Mud-Slap | HP40Attack80Defense100Sp. Atk30Sp. Def30Speed20Total300 |
 | Rattata Lv 15 Normal | Ability Guts | Bite Quick Attack Hyper Fang Tail Whip | HP30Attack56Defense35Sp. Atk25Sp. Def35Speed72Total253 |
 | Ivysaur Lv 18 GrassPoison | Ability Overgrow | Sleep Powder Poison Powder Vine Whip Leech Seed | HP60Attack62Defense63Sp. Atk80Sp. Def80Speed60Total405 |
★ Rival (Charmander) — Cerulean City
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
| Pidgeotto Lv 17 NormalFlying | Ability Keen Eye | Swift Sand Attack Gust Quick Attack | HP63Attack60Defense55Sp. Atk50Sp. Def50Speed71Total349 |
 | Bellsprout Lv 15 GrassPoison | Ability Chlorophyll | Growth Vine Whip Poison Powder | HP50Attack75Defense35Sp. Atk70Sp. Def30Speed40Total300 |
| Rattata Lv 15 Normal | Ability Guts | Bite Quick Attack Hyper Fang Tail Whip | HP30Attack56Defense35Sp. Atk25Sp. Def35Speed72Total253 |
 | Charmeleon Lv 18 Fire | Ability Blaze | Metal Claw Ember Growl Scratch | HP58Attack64Defense58Sp. Atk80Sp. Def65Speed80Total405 |
★ Rival (Squirtle) — Cerulean City
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
| Pidgeotto Lv 17 NormalFlying | Ability Keen Eye | Swift Sand Attack Gust Quick Attack | HP63Attack60Defense55Sp. Atk50Sp. Def50Speed71Total349 |
| Bellsprout Lv 15 GrassPoison | Ability Chlorophyll | Growth Vine Whip Poison Powder | HP50Attack75Defense35Sp. Atk70Sp. Def30Speed40Total300 |
| Rattata Lv 15 Normal | Ability Guts | Bite Quick Attack Hyper Fang Tail Whip | HP30Attack56Defense35Sp. Atk25Sp. Def35Speed72Total253 |
 | Wartortle Lv 18 Water | Ability Torrent | Bite Tail Whip Withdraw Water Gun | HP59Attack63Defense80Sp. Atk65Sp. Def80Speed58Total405 |