Pokémon Platinum Kaizo walkthrough · Part 1 of 11

Part 1: Roark split (the start)

Becomes available here: HM05 - Defog, HM06 - Rock Smash, Old Rod

The fights at this checkpoint are Barry #2 (Player chose Chimchar), Barry #2 (Player chose Piplup), Barry #2 (Player chose Turtwig), and 1 more.

★ Barry #2 (Player chose Chimchar) — Route 203

6 Pokémon · level cap Lv 10 (every cap) · Barry #2 (Player chose Chimchar)’s own page

PokémonMoves
AipomAipom
Lv 9 · Technician · Silk Scarf
Nature Impish
Fake Out U-turn
TaillowTaillow
Lv 9 · Guts · Flame Orb
Nature Jolly
Quick Attack Wing Attack Secret Power Protect
SlakothSlakoth
Lv 9 · Truant · Choice Band
Nature Jolly
Crush Claw
MankeyMankey
Lv 9 · Reckless · Expert Belt
Nature Hasty
Karate Chop Fury Swipes U-turn
ElekidElekid
Lv 9 · Static · Expert Belt
Nature Lonely
Rolling Kick Shock Wave Swift Thunder Wave
PiplupPiplup
Lv 10 · Torrent · Berry Juice
Nature Rash
Water Pulse Return Pluck Rock Smash

★ Barry #2 (Player chose Piplup) — Route 203

6 Pokémon · level cap Lv 10 (every cap) · Barry #2 (Player chose Piplup)’s own page

PokémonMoves
AipomAipom
Lv 9 · Technician · Silk Scarf
Nature Naive
Fake Out U-turn
TaillowTaillow
Lv 9 · Guts · Flame Orb
Nature Adamant
Quick Attack Wing Attack Secret Power Protect
SlakothSlakoth
Lv 9 · Truant · Choice Band
Nature Adamant
Crush Claw
MankeyMankey
Lv 9 · Reckless · Expert Belt
Nature Jolly
Karate Chop Fury Swipes U-turn
ElekidElekid
Lv 9 · Static · Expert Belt
Nature Calm
Rolling Kick Shock Wave Swift Thunder Wave
TurtwigTurtwig
Lv 10 · Overgrow · Berry Juice
Nature Quiet
Razor Leaf Return Bite Rock Smash

★ Barry #2 (Player chose Turtwig) — Route 203

6 Pokémon · level cap Lv 10 (every cap) · Barry #2 (Player chose Turtwig)’s own page

PokémonMoves
AipomAipom
Lv 9 · Technician · Silk Scarf
Nature Naive
Fake Out U-turn
TaillowTaillow
Lv 9 · Guts · Flame Orb
Nature Jolly
Quick Attack Wing Attack Secret Power Protect
SlakothSlakoth
Lv 9 · Truant · Choice Band
Nature Adamant
Crush Claw
MankeyMankey
Lv 9 · Reckless · Expert Belt
Nature Hasty
Karate Chop Fury Swipes U-turn
ElekidElekid
Lv 9 · Static · Expert Belt
Nature Naive
Rolling Kick Shock Wave Swift Thunder Wave
ChimcharChimchar
Lv 10 · Blaze · Berry Juice
Nature Gentle
Ember Return Karate Chop Rock Smash

Also fought around here

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

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.