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. Her gym fights under permanent rain too.
Thunder Badge — Rock Tunnel to Celadon City opens 9 areas. There are 9 trainers standing in them. The fights at this checkpoint are Leaf Rock Tunnel (Ivysaur line), Leaf Rock Tunnel (Charmeleon line), Leaf Rock Tunnel (Wartortle line), and 6 more.
Where to go
Route 9
Wild: Cubone 20% · Lv 23-24, Spearow 20% · Lv 23-24, Doduo 15% · Lv 23-25, Rattata (Alola) 15% · Lv 23-24 +4 more
Pick up: TM40 Aerial Ace, Chesto Berry, Ether, Kanto Stone, Rare Candy
Route 10
Wild: Horsea 60%, Psyduck 60%, Seadra 40%, Poliwhirl 30% +14 more
Pick up: Cheri Berry, Everstone, Johto Stone, Max Ether, Persim Berry, Soft Sand
Rock Tunnel
Wild: Geodude 30% · Lv 23-25, Machop 20% · Lv 23-25, Zubat 20% · Lv 23-25, Onix 19% · Lv 23-25 +2 more
Trainers: ★ Leaf Rock Tunnel (Ivysaur line) Lv 28, ★ Leaf Rock Tunnel (Charmeleon line) Lv 28, ★ Leaf Rock Tunnel (Wartortle line) Lv 28, ★ Red Rock Tunnel (Ivysaur line) Lv 28, ★ Red Rock Tunnel (Charmeleon line) Lv 28, ★ Red Rock Tunnel (Wartortle line) Lv 28
Pick up: Escape Rope, Galar Stone, Kanto Stone, Max Ether, Moon Stone, Revive
Rock Tunnel 2nd Floor
Wild: Geodude 20% · Lv 23-24, Machop 20% · Lv 23-25, Zubat 20% · Lv 23-25, Onix 19% · Lv 23-25 +3 more
Route 8
Wild: Lickitung 24% · Lv 24-25, Farfetch'd (Galar) 20% · Lv 24-25, Wugtrio 20% · Lv 24-25, Ekans 14% · Lv 23-25 +5 more
Pick up: Alola Stone, Galar Stone, Hisdea Stone, Leppa Berry, Lum Berry, Rawst Berry
Route 7
Wild: Meowth 20% · Lv 24-27, Vulpix 20% · Lv 24-27, Grimer 14% · Lv 25-27, Grimer (Alola) 10% · Lv 24-26 +6 more
Pick up: Ether, Kanto Stone, Sitrus Berry
Celadon City
Wild: Psyduck 99%, Magikarp 80%, Grimer 70%, Koffing 1% +6 more
Pick up: TM01 Fire Punch, TM16 Light Screen, TM19 Giga Drain, TM20 Safeguard, TM23 Iron Tail, TM28 Dig, TM30 Shadow Ball, TM31 Brick Break +57 more
Rocket Hideout
Trainers: ★ Rocket Admin Sierra (Rocket Hideout) Lv 30, ★ Rocket Boss Giovanni (Rocket Hideout) Lv 32
Celadon City Gym
Trainers: ★ Gym Leader Erika (Perma Rain) Lv 34
★ Leaf Rock Tunnel (Ivysaur line) — Rock Tunnel
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Butterfree Lv 27 PsychicFlying | Ability Shield Dust Held item Sharp Beak Impish nature | Psybeam Sleep Powder Aerial Ace Giga Drain | HP70Attack80Defense65Sp. Atk90Sp. Def80Speed85Total470 |
 | Clefable Lv 27 Normal | Ability Cute Charm Held item Mental Herb Calm nature | Secret Power Sing Brick Break Psybeam | HP95Attack70Defense73Sp. Atk85Sp. Def90Speed60Total473 |
 | Seadra Lv 27 Water | Ability Swift Swim Held item Sea Incense Serious nature | Octazooka Rain Dance Icy Wind Dragon Breath | HP55Attack65Defense95Sp. Atk95Sp. Def45Speed85Total440 |
 | Ivysaur Lv 28 GrassPoison | Ability Overgrow Held item Miracle Seed Sassy nature | Leaf Blade Poison Fang Sleep Powder Ancient Power | HP60Attack62Defense63Sp. Atk80Sp. Def80Speed60Total405 |
 | Nidorina Lv 27 Poison | Ability Poison Point Held item Poison Barb Serious nature | Poison Tail Double Kick Rock Smash Charm | HP70Attack62Defense67Sp. Atk55Sp. Def55Speed56Total365 |
★ Leaf Rock Tunnel (Charmeleon line) — Rock Tunnel
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
| Butterfree Lv 27 PsychicFlying | Ability Shield Dust Held item Sharp Beak Impish nature | Psybeam Sleep Powder Aerial Ace Giga Drain | HP70Attack80Defense65Sp. Atk90Sp. Def80Speed85Total470 |
| Clefable Lv 27 Normal | Ability Cute Charm Held item Mental Herb Calm nature | Secret Power Sing Brick Break Psybeam | HP95Attack70Defense73Sp. Atk85Sp. Def90Speed60Total473 |
 | Weepinbell Lv 27 GrassPoison | Ability Chlorophyll Held item Quick Claw Docile nature | Leaf Blade Sleep Powder Ancient Power Poison Fang | HP65Attack90Defense50Sp. Atk85Sp. Def50Speed55Total395 |
 | Charmeleon Lv 28 Fire | Ability Blaze Held item Charcoal Adamant nature | Fire Punch Mega Punch Cut ThunderPunch | HP58Attack64Defense58Sp. Atk80Sp. Def65Speed80Total405 |
| Nidorina Lv 27 Poison | Ability Poison Point Held item Poison Barb Adamant nature | Poison Tail Double Kick Rock Smash Charm | HP70Attack62Defense67Sp. Atk55Sp. Def55Speed56Total365 |
★ Leaf Rock Tunnel (Wartortle line) — Rock Tunnel
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
| Butterfree Lv 27 PsychicFlying | Ability Shield Dust Held item Sharp Beak Impish nature | Psybeam Sleep Powder Aerial Ace Giga Drain | HP70Attack80Defense65Sp. Atk90Sp. Def80Speed85Total470 |
| Clefable Lv 27 Normal | Ability Cute Charm Held item Mental Herb Calm nature | Secret Power Sing Brick Break Psybeam | HP95Attack70Defense73Sp. Atk85Sp. Def90Speed60Total473 |
 | Ninetales Lv 27 Fire | Ability Flash Fire Held item Charcoal Mild nature | Flame Wheel Will-O-Wisp Confuse Ray Secret Power | HP73Attack76Defense75Sp. Atk91Sp. Def110Speed100Total525 |
 | Wartortle Lv 28 Water | Ability Torrent Held item Sea Incense Timid nature | Octazooka Mega Punch Bite Icy Wind | HP59Attack63Defense80Sp. Atk65Sp. Def80Speed58Total405 |
| Nidorina Lv 27 Poison | Ability Poison Point Held item Poison Barb Hardy nature | Poison Tail Double Kick Rock Smash Charm | HP70Attack62Defense67Sp. Atk55Sp. Def55Speed56Total365 |