Part 2: Gardenia split
Becomes available here: HM01 - Cut
Gardenia split opens 11 areas. There are 41 trainers standing in them. The fights at this checkpoint are Commander Mars (Double), Gardenia.
Where to go
Route 204 North
Wild: Psyduck 90%, Azurill 60%, Seaking 44%, Corphish 40% · Lv 46320 +15 more
Trainers: Twins Liv & Liz (Double) (Gauntlet Start)* Lv 19, Bug Catcher Brandon (Gauntlet)* Lv 19, Aroma Lady Taylor (Gauntlet End)* Lv 19
Pick up: TM09 Bullet Seed, TM45 Attract
Floaroma Town
Wild: Cascoon 20% · Lv 15, Silcoon 20% · Lv 15, Beautifly 10% · Lv 17, Caterpie 10% · Lv 6 +8 more
Pick up: TM07 Aurora Beam, TM88 Pluck, Random poffin berry (shop), Sprayduck (shop)
Valley Windworks
Wild: Carvanha 90%, Drifloon 65%, Lumineon 45%, Gyarados 40% +23 more
Trainers: Galactic Pluto (Double) Lv 20, Galactic Squad Deimos (Double) Lv 19, Galactic Squad Phobos (Double) Lv 19, ★ Commander Mars (Double) Lv 22
Pick up: TM22 Solar Beam, Coba Berry (hidden), Power Herb, Sharp Beak
Route 205 South
Wild: Barboach 60%, Grimer 60%, Carvanha 55% · Lv 46320, Lanturn 40% +23 more
Trainers: Camper Jacob Lv 22, Hiker Daniel Lv 21, Aroma Lady Elizabeth Lv 24, Picnicker Siena Lv 23, Camper Zackary Lv 23, Hiker Nicholas Lv 22 +2 more
Pick up: Focus Band, Great Ball, Nest Ball, Stardust (hidden)
Eterna Forest
Wild: Buneary 20% · Lv 23, Roselia 20% · Lv 23, Ariados 10% · Lv 23, Noctowl 10% · Lv 23 +10 more
Trainers: Trainer Cheryl (Tag Partner) Lv 24, Galactic Ophelia (Multi Battle With Galactic Bianca) Lv 22, Galactic Bianca (Multi Battle With Galactic Ophelia) Lv 22, Galactic Setebos (Multi Battle With Galactic Sycorax, between the trees on the top path) Lv 23, Galactic Sycorax (Multi Battle With Galactic Setebos, between the trees on the top path) Lv 22, Galactic Prospero (Multi Battle With Galactic Miranda, at the bottom path) Lv 22 +11 more
Pick up: TM62 Silver Wind, Big Tree, Ether, Fluffy Tail, Green Shard, Miracle Seed, Net Ball, Parlyz Heal +2 more
Route 205 North
Wild: Finneon 100% · Lv 46320, Bidoof 99% · Lv 46152, Barboach 60%, Bibarel 40% +18 more
Trainers: Fisherman Joseph Lv 23, Fisherman Andrew Lv 24, Fisherman Zachary Lv 24
Pick up: Blue Shard
Eterna City
Wild: Ludicolo 95%, Goldeen 60%, Hoppip 60%, Lombre 40% · Lv 46320 +18 more
Pick up: TM46 Thief, TM86 Grass Knot, HM01 Cut, 1 of Fire/Water/Leaf Stone, Bicycle (shop), Big Nugget (shop), Charcoal, Dragon Scale +6 more
Route 211 West
Wild: Chingling 20% · Lv 17, Ralts 20% · Lv 17, Growlithe 10% · Lv 17, Machop 10% · Lv 17 +8 more
Pick up: Great Ball, Great Ball (hidden), Great Ball, Great Ball (hidden)
Mt. Coronet South
Wild: Clamperl 60%, Golbat 60%, Chinchou 40%, Cloyster 40% +20 more
Pick up: TM02 Dragon Claw
Floaroma Meadow
Trainers: Galactic Mercury (B2B With Galactic Terra) Lv 18, Galactic Terra (B2B With Galactic Mercury) Lv 18
Eterna Gym
Trainers: Lass Caroline Lv 24, Aroma Lady Jenna Lv 23, Artist Angel Lv 25, ★ Gardenia Lv 28
★ Commander Mars (Double) — Valley Windworks
| Pokémon | Moves | |
|---|---|---|
 | Skarmory Lv 20 · Filter · Lum Berry Nature Impish | Stealth Rock Tailwind Pluck Iron Head |
 | Hippopotas Lv 21 · Sand Stream · Berry Juice Nature Sassy | Earthquake Rock Slide Yawn Protect |
 | Solrock Lv 19 · Levitate · BrightPowder Nature Jolly | Rock Slide Earthquake Zen Headbutt Light Screen |
 | Gabite Lv 21 · Sand Veil · Yache Berry Nature Hasty | Fire Fang Earthquake Protect Dragon Claw |
 | Gligar Lv 20 · Sand Veil · Yache Berry Nature Careful | Swords Dance Earthquake Aerial Ace Rock Slide |
 | Purugly Lv 22 · Limber · Leftovers Nature Jolly | Shadow Claw Return Iron Tail Fake Out |
★ Gardenia — Eterna Gym
| Pokémon | Moves | |
|---|---|---|
 | Miltank Lv 26 · Scrappy · Lum Berry Nature Naughty | Stealth Rock Milk Drink Body Slam ThunderPunch |
 | Rotom (Mow) Lv 25 · Levitate · Wise Glasses Nature Timid | Leaf Storm Thunder Shadow Ball Confuse Ray |
 | Ludicolo Lv 24 · Swift Swim · Muscle Band Nature Docile | Swords Dance Aqua Cutter Razor Leaf Ice Punch |
 | Milotic Lv 25 · Filter · Leftovers Nature Lax | HP Grass Water Pulse Icy Wind Hypnosis |
 | Roserade Lv 26 · Natural Cure · Leftovers Nature Serious | Petal Dance Sludge Bomb Extrasensory Water Ball |
 | Torterra Lv 28 · Thick Fat · Lum Berry Nature Adamant | Roar Bulldoze Rock Climb Seed Bomb |
This game's documentation doesn't say where 31 of its 481 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 14 of its areas open up, so they are listed together in the last part rather than guessed into the story.