Part 4: 2 badges — Toxic (Roxie, Virbank)

2 badges — Toxic (Roxie, Virbank) opens 6 areas. There are 11 trainers standing in them. The fights at this checkpoint are Gym Leader Burgh, Rival Hugh (Oshawott) — fights alongside you, Rival Hugh (Snivy) — fights alongside you, and 5 more.

Where to go

1. Castelia City

   Wild: Audino 80% · Lv 18-20, Cottonee 20% · Lv 15-19, Petilil 20% · Lv 15-19, Bellsprout 10% · Lv 18-21 +18 more

   Trainers: ★ Hoenn Leader Wattson — before the credits Lv 25, ★ Hoenn Leader Wattson — after the credits Lv 79

   Pick up: TM48 Round, TM81 X-Scissor

2. Castelia Sewers

   Wild: Grimer 90% · Lv 10-20, Stunfisk 60% · Lv 30-40, Palpitoad 30% · Lv 30-40, Rattata 20% · Lv 16-19 +9 more

   Trainers: ★ Rival Hugh (Oshawott) — fights alongside you Lv 24, ★ Rival Hugh (Snivy) — fights alongside you Lv 24, ★ Rival Hugh (Tepig) — fights alongside you Lv 24

   Pick up: TM34 Sludge Wave

3. Relic Passage - Castelia Side

   Wild: Drilbur 40% · Lv 18-20, Diglett 20% · Lv 18-20, Nincada 20% · Lv 18-20, Onix 20% · Lv 18-20 +10 more

4. Castelia Gym

   Trainers: ★ Gym Leader Burgh Lv 27, ★ Gym Leader Burgh Lv 29

5. Castelia City, Pre-Credits

   Trainers: ★ Game Freak Morimoto Lv 22, ★ Game Freak Nishino Lv 24

6. Castelia City, Post-Credits

   Trainers: ★ Game Freak Morimoto Lv 92, ★ Game Freak Nishino Lv 92

★ Gym Leader Burgh — Castelia Gym

5 Pokémon · level cap Lv 27 (every cap) · Gym Leader Burgh’s own page

	Pokémon	Moves
	Vespiquen Lv 25 · Pressure · Leftovers	X-Scissor Defend Order Air Slash Roost
	Scyther Lv 25 · Technician · Flying Gem	X-Scissor Quick Attack Wing Attack Steel Wing
	Masquerain Lv 25 · Intimidate · Charti Berry	Signal Beam Bubble Beam Double Team Giga Drain
	Parasect Lv 25 · Dry Skin · Focus Sash	X-Scissor Spore Seed Bomb Counter
	Leavanny Lv 27 · Swarm · Life Orb	X-Scissor Leaf Blade Aerial Ace Swords Dance

★ Rival Hugh (Oshawott) — fights alongside you — Castelia Sewers

3 Pokémon · level cap Lv 24 (every cap) · Rival Hugh (Oshawott) — fights alongside you’s own page

	Pokémon	Moves
	Dewott Lv 24 · Shell Armor	Air Slash Focus Energy Razor Shell Fury Cutter
	Swellow Lv 22 · Guts	Return Quick Attack Wing Attack Double Team
	Trapinch Lv 22 · Hyper Cutter	Rock Tomb Bulldoze Bide Feint Attack

★ Rival Hugh (Snivy) — fights alongside you — Castelia Sewers

3 Pokémon · level cap Lv 24 (every cap) · Rival Hugh (Snivy) — fights alongside you’s own page

	Pokémon	Moves
	Servine Lv 24 · Contrary	Glare Growth Leaf Tornado Leech Seed
	Swellow Lv 22 · Guts	Return Quick Attack Wing Attack Double Team
	Trapinch Lv 22 · Hyper Cutter	Rock Tomb Bulldoze Bide Feint Attack

Also fought around here

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

This game's documentation doesn't say where 62 of its 141 fights happen, so those trainers are on no part of this walkthrough; they are all on the Trainers page.