Part 5: 3 badges — Insect (Burgh, Castelia)

3 badges — Insect (Burgh, Castelia) opens 7 areas. There are 4 trainers standing in them. The fights at this checkpoint are Colress, Pokémon Trainer Cheren — If you chose Snivy in your Black/White save, Pokémon Trainer Cheren — If you chose Tepig in your Black/White save, and 1 more.

Where to go

1. Route 4

   Wild: Alomomola 90% · Lv 30-40, Clamperl 90% · Lv 10-20, Frillish 70% · Lv 15-40, Luvdisc 30% · Lv 15-25 +17 more

   Trainers: ★ Colress Lv 27

   Pick up: TM03 Psyshock

2. Desert Resort

   Wild: Darumaka 20% · Lv 22-24, Sandile 20% · Lv 22-24, Cacnea 10% · Lv 22-24, Dwebble 10% · Lv 23-25 +12 more

   Pick up: TM78 Bulldoze

3. Relic Castle - Upper Floors

   Wild: Sandile 20% · Lv 22-25, Yamask 20% · Lv 22-25, Baltoy 10% · Lv 22-25, Bronzor 10% · Lv 22-25 +9 more

4. Route 5

   Wild: Audino 90% · Lv 24-26, Gothita 20% · Lv 24, Solosis 20% · Lv 24, Blitzle 10% · Lv 24 +23 more

   Trainers: ★ Pokémon Trainer Cheren — If you chose Snivy in your Black/White save Lv 90, ★ Pokémon Trainer Cheren — If you chose Tepig in your Black/White save Lv 90, ★ Pokémon Trainer Cheren — If you chose Oshawott in your Black/White save Lv 90

   Pick up: TM43 Flame Charge

5. Route 16

   Wild: Audino 75% · Lv 24-26, Gothita 20% · Lv 24, Solosis 20% · Lv 24, Emolga 10% · Lv 25 +18 more

6. Lostlorn Forest

   Wild: Buizel 70% · Lv 24-31, Goldeen 70% · Lv 18-27, Audino 40% · Lv 24, Basculin 30% · Lv 24-26 +26 more

   Pick up: TM22 Solar Beam, TM86 Grass Knot

7. Sangi Ranch Hidden Grotto

   Wild: Azumarill Lv 31-36, Dunsparce Lv 31-36, Herdier Lv 31-36, Illumise Lv 31-36 +8 more

★ Colress — Route 4

5 Pokémon · level cap Lv 27 (every cap) · Colress’s own page

	Pokémon	Moves
	Magnemite Lv 25 · Sturdy · Air Balloon	Volt Switch Flash Cannon Thunder Wave Signal Beam
	Rotom Lv 25 · S.Boost · Wise Glasses Vanilla version: Levitate	Signal Beam Air Slash Dark Pulse Thunderbolt
	Klink Lv 25 · Clear Body · Life Orb	Autotomize Gear Grind Wild Charge Thunder Wave
	Metang Lv 25 · Clear Body · Cell Battery	Bullet Punch Iron Head Psyshock Bulldoze
	Porygon2 Lv 27 · Trace · Eviolite	Recover Tri Attack Charge Beam Psyshock

★ Pokémon Trainer Cheren — If you chose Snivy in your Black/White save — Route 5

6 Pokémon · level cap Lv 90 (every cap) · Pokémon Trainer Cheren — If you chose Snivy in your Black/White save’s own page

	Pokémon	Moves
	Staraptor Lv 88 · Intimidate · Muscle Band	Brave Bird Close Combat Return U-turn
	Gigalith Lv 88 · Sturdy · Custap Berry	Explosion Earthquake Stone Edge Gravity
	Alakazam Lv 88 · Magic Guard · Life Orb	Psychic Focus Blast Energy Ball Shadow Ball
	Gyarados Lv 88 · Intimidate · Wacan Berry	Aqua Tail Thunder Wave Dragon Dance Earthquake
	Simisage Lv 88 · Overgrow · Petaya Berry	Leech Seed Substitute Leaf Storm Focus Blast
	Emboar Lv 90 · Blaze · Focus Sash	Flare Blitz Superpower Wild Charge Head Smash

★ Pokémon Trainer Cheren — If you chose Tepig in your Black/White save — Route 5

6 Pokémon · level cap Lv 90 (every cap) · Pokémon Trainer Cheren — If you chose Tepig in your Black/White save’s own page

	Pokémon	Moves
	Staraptor Lv 88 · Intimidate · Muscle Band	Brave Bird Close Combat Return U-turn
	Gigalith Lv 88 · Sturdy · Normal Gem	Explosion Earthquake Stone Edge Gravity
	Alakazam Lv 88 · Magic Guard · Life Orb	Psychic Focus Blast Energy Ball Shadow Ball
	Whimsicott Lv 88 · Prankster · Leftovers	Stun Spore Substitute Leech Seed U-turn
	Simisear Lv 88 · Blaze · Petaya Berry	Nasty Plot Fire Blast Grass Knot Focus Blast
	Samurott Lv 90 · Torrent · Focus Sash	Superpower Megahorn Aqua Tail Swords Dance

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.