Part 2: Beat Fernando, Seros Gym — Mystic Badge

Cut (HM01), Rock Smash (HM06)

Beat Fernando, Seros Gym — Mystic Badge opens 14 areas. There are 40 trainers standing in them. The fights at this checkpoint are Rival Coulter (Chimchar), Rival Coulter (Piplup), Rival Coulter (Turtwig), and 1 more.

Where to go

1. Archan Hills

   Wild: Marill 60% · Lv —, Lotad 30% · Lv —, Buneary 15% · Lv —, Pidgey 15% · Lv — +9 more

   Trainers: Propietor Oppo (Inverse Battle Type Matchups) Lv 12, Lass Becca Lv 13

2. Secret Temple (Archan Tunnel)

   Wild: Clefairy Lv —

3. Wisp Forest

   Wild: Pumpkaboo 30% · Lv —, Burmy 20% · Lv —, Duskull 10% · Lv —, Gastly 10% · Lv — +4 more

   Trainers: Youngster Shiro Lv 9, Bug Catcher Dmitri Lv 9, Hex Maniac Cadence Lv 10

   Pick up: TM03 Charming Cry, TM10 Hidden Power, HM01 Cut

4. Aerous Road

   Wild: Psyduck 90% · Lv —, Shinx 40% · Lv —, Snubbull 20% · Lv —, Starly 20% · Lv — +10 more

   Trainers: Youngster Harry Lv 5, Lass Phoebe Lv 5, Twins Lisa & Lois Lv 9, Ninja Boy Spencer Lv 12, Bug Catcher Michael Lv 12, Camper Jon Lv 13 +1 more

   Pick up: TM12 Taunt, TM20 Flash Cannon

5. Aerous City

   Wild: Tentacool 60% · Lv —, Wingull 30% · Lv —, Lapras 5% · Lv —, Mantyke 5% · Lv — +5 more

   Pick up: TM34 Shock Wave

6. Archan Tunnel (1F via the Tangrowth Tablet room)

   Wild: Roggenrola 40% · Lv —, Aron 20% · Lv —, Dwebble 20% · Lv —, Zubat 10% · Lv — +2 more

7. Archan Tunnel (2F, 3F and 4F, exiting at Nestpine Climb)

   Wild: Paras 40% · Lv —, Drilbur 20% · Lv —, Numel 20% · Lv —, Aron 10% · Lv — +2 more

8. Nestpine Climb

   Wild: Psyduck 90% · Lv —, Munna 20% · Lv —, Phanpy 20% · Lv —, Spearow 20% · Lv — +11 more

   Trainers: Camper Samuel Lv 17, Battle Girl Martha Lv 17, Picnicker Lucy Lv 17, Black Belt Ralph Lv 18, Shaman Yoshiro (Heals Pokemon for you upon defeat, you can return to Yoshiro for healing afterwards) Lv 18, Bug Catcher Brett Lv 19 +1 more

   Pick up: TM06 Toxic, TM41 Dragon Dance

9. Nestpine Climb (Hidden Grotto)

   Wild: Maractus Lv —

10. Nestpine Town

    Wild: Wooper 100% · Lv —, Drowzee Lv —, Quagsire Lv —

    Trainers: ★ Rival Coulter (Chimchar) Lv 22, ★ Rival Coulter (Piplup) Lv 22, ★ Rival Coulter (Turtwig) Lv 22

    Pick up: TM06 Toxic, TM19 Roost

11. Aerous Café

    Trainers: Lass Essa Lv 12, Museum Clerk Lv 14, Sailor Braveton Lv 25

12. Aerous Museum

    Trainers: Mysterious Grunt Lv 15, Mysterious Grunt Lv 15, New Elders Grunt Lv 15, Meme Lord Showtan Lv 60

13. Aerous Art Club

    Trainers: Painter Beverley Lv 16, Painter Candice Lv 16, Painter Madelaine Lv 16, Painter Melissa Lv 16, Art Master Vincent Lv 18

14. Nestpine Gym

    Trainers: Bird Keeper Peter Lv 19, Bird Keeper Wilhelm Lv 19, Rocker Cedric Lv 19, Bug Catcher Gordon Lv 20, Lass Jane Lv 20, ★ Aria Lv 23

★ Rival Coulter (Chimchar) — Nestpine Town

4 Pokémon · level cap Lv 22 (every cap) · Rival Coulter (Chimchar)’s own page

	Pokémon	Moves
	Makuhita Lv 20
	Roggenrola Lv 20
	Swablu Lv 20
	Monferno Lv 22

★ Rival Coulter (Piplup) — Nestpine Town

4 Pokémon · level cap Lv 22 (every cap) · Rival Coulter (Piplup)’s own page

	Pokémon	Moves
	Makuhita Lv 20
	Roggenrola Lv 20
	Swablu Lv 20
	Prinplup Lv 22

★ Rival Coulter (Turtwig) — Nestpine Town

4 Pokémon · level cap Lv 22 (every cap) · Rival Coulter (Turtwig)’s own page

	Pokémon	Moves
	Makuhita Lv 20
	Roggenrola Lv 20
	Swablu Lv 20
	Grotle Lv 22

Also fought around here

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

It also doesn't say when Rimewood Forest opens up, so it is in no part above; it has its own route page.