Part 4: Mt. Moon, Cerulean City and the second badge

Routes 3, 4, 24 and 25, Mt. Moon and Cerulean.

Mt. Moon, Cerulean City and the second badge opens 14 areas. There are 31 trainers standing in them. The fights at this checkpoint are Champion Dylanaustin, Club Master Misty, Rival Jerry (1), and 2 more.

Where to go

1. Cerulean City

   Wild: Goldeen 100% · Lv 15, Poliwag 100% · Lv 5, Zubat 100% · Lv 20-40, Starmie 60% · Lv 5 +1 more

   Trainers: Dmca Grunt Lv 15, ★ Rival Jerry (1) Lv 80, ★ Rival Jerry (2) Lv 80, ★ Rival Jerry (3) Lv 80

2. Cerulean City Gym

   Wild: Starmie 100% · Lv 20

   Trainers: Smarttrainer Sen Lv 12, Black Belt Talon Lv 13, Gamer Melvin Lv 13, Odd Lifeform Imakuni? Lv 14, Ninja Boy Darron Lv 15, Swimmer♂ Luis Lv 16 +3 more

3. Mt. Moon 1F

   Wild: Clefairy 50% · Lv 7-9, Tentacool 50% · Lv 7-10

4. Mt. Moon B1F

   Wild: Paras 100% · Lv 9-10

5. Mt. Moon B2F

   Wild: Clefairy 99% · Lv 8-12, Tentacool 1% · Lv 11

6. Mt. Moon Outside

   Wild: Grimer 100% · Lv 5

7. Mt. Moon Square Unbroken

   Wild: Clefairy 100% · Lv 5

8. Route 24

   Wild: Goldeen 100% · Lv 15, Poliwag 100% · Lv 5, Zubat 100% · Lv 20-40, Abra 45% · Lv 10-16 +2 more

   Trainers: Dmca Grunt Lv 15

9. Route 25

   Wild: Horsea 100% · Lv 15, Jigglypuff 100% · Lv 5, Zubat 100% · Lv 20-40, Bellsprout 41% · Lv 13-16 +3 more

   Trainers: Shorts Chino Lv 7

10. Route 3

    Wild: Jigglypuff 100% · Lv 5, Pidgeotto 85% · Lv 12-13, Mankey 5% · Lv 14, Nidoran♀ 5% · Lv 8 +1 more

    Trainers: Lass Janice Lv 9

11. Route 4

    Wild: Goldeen 100% · Lv 15, Meltan 100% · Lv 5, Poliwag 100% · Lv 5, Zubat 100% · Lv 20-40 +3 more

12. Mt. Moon 1 F

    Trainers: Picnicker Miriam Lv 7, Bug Catcher Robby Lv 10, Hiker Marcos Lv 10, Shorts Levi Lv 10, Angry Nerd James Lv 11, Bug Catcher Kent Lv 11 +2 more

13. Mt. Moon B2 F

    Trainers: Dmca Grunt (2) Lv 11, Dmca Grunt (3) Lv 11, Dmca Grunt (1) Lv 13, Dmca Wolff Lv 25, Dmca Grunt (4) Lv 100

14. Mt. Moon B1 F

    Trainers: Hiker Jake Lv 14, Artist Lichen Lv 16

★ Champion Dylanaustin — Cerulean City Gym

3 Pokémon · level cap Lv 23 (every cap) · Champion Dylanaustin’s own page

	Pokémon	Moves
	Scyther Lv 23	Swords Dance (2) Retreat
	Electabuzz Lv 14	Thunderpunch (2) Thundershock (2)
	Hitmonchan Lv 17	Jab Specialpunch

★ Club Master Misty — Cerulean City Gym

3 Pokémon · level cap Lv 27 (every cap) · Club Master Misty’s own page

	Pokémon	Moves
	Wooper Lv 27	Ice Punch (2)
	Mareanie Lv 24	Poison Sting (2)
	Hitmonchan Lv 23	Jab

★ Rival Jerry (1) — Cerulean City

4 Pokémon · level cap Lv 80 (every cap) · Rival Jerry (1)’s own page

	Pokémon	Moves
	Moltres Lv 80	W. Shuriken Surf
	Pidgeotto Lv 2	Mud-Slap
	Abra Lv 20	Teleport
	Wartortle Lv 6	Hyper Beam

Also fought around here

Everything you can have caught by this checkpoint · Open the interactive guide

This game's documentation doesn't say where 50 of its 386 fights happen, so those trainers are on no part of this walkthrough; they are all on the Trainers page. It also doesn't say when 49 of its areas open up, so they are listed together in the last part rather than guessed into the story.