Part 6: 5 badges — Quake (Clay, Driftveil)
5 badges — Quake (Clay, Driftveil) opens 8 areas. There are 29 trainers standing in them. The fight at this checkpoint is Pkmn Trainer N.
Where to go
Route 6 — Spring / Summer / Autumn
Wild: Chansey 80% · Lv —, Finneon 60% · Lv —, Lumineon 60% · Lv —, Chinchou 40% · Lv — +21 more
Route 6 — Winter
Wild: Chansey 80% · Lv —, Dewgong 60% · Lv —, Seel 60% · Lv —, Sealeo 30% · Lv — +20 more
Chargestone Cave — 1F
Wild: Diglett 50% · Lv —, Drilbur 50% · Lv —, Joltik 20% · Lv —, Klink 20% · Lv — +6 more
Chargestone Cave — B1F
Wild: Diglett 50% · Lv —, Drilbur 50% · Lv —, Joltik 20% · Lv —, Klink 20% · Lv — +6 more
Chargestone Cave — B2F
Wild: Dugtrio 50% · Lv —, Excadrill 50% · Lv —, Galvantula 20% · Lv —, Klang 20% · Lv — +9 more
Route 6
Trainers: Scientist William Lv 36, Pkmn Ranger Shanti Lv 35, Parasol Lady Nicole Lv 34, Scientist Ron Lv 34, Scientist Maria Lv 34, Parasol Lady Tihana Lv 34 +1 more
Chargestone Cave
Trainers: Ace Trainer Jared Lv 40, Scientist Ronald Lv 40, Scientist Naoko Lv 40, Hiker Hardy Lv 39, Scientist Orville Lv 42, Ace Trainer Corky Lv 40 +11 more
Mistralton City
Trainers: Worker Cliff Lv 50, Worker Brady Lv 51, Pilot Ted Lv 50, Pilot Chase Lv 50, Worker Arnold Lv 52
★ Pkmn Trainer N — Chargestone Cave
This game's documentation doesn't say where 11 of its 355 fights happen, so those trainers are on no part of this walkthrough; they are all on the Trainers page.