Phase 10 section

Pokémon Platinum Route 227 and Stark Mountain Walkthrough

Escort Buck, stop Charon, and open Heatran's chamber. Exact Platinum encounters, every sourced trainer, items, hidden-item directions, puzzle notes, boss data, and completion checks.

Nintendo DS Pokemon Platinum Phase 10Battle Zone + National Dex National Dex, Pal Park, Battle Zone, Stark Mountain, legendaries, and special encounter systems. 10 / 12

By Damodar Sharma Updated July 10, 2026 Walkthrough

Escort Buck, stop Charon, and open Heatran's chamber. Every table on this page is joined to the named Platinum map, encounter, trainer, item, and script data; Diamond/Pearl rows are not substituted.

Source maps

Stark Mountain Outside, Stark Mountain Room 1, Stark Mountain Room 2, Stark Mountain Room 3, Route 227, Route 227 House.

Encounter rows96Trainer rows23Visible / hidden17 / 10

Platinum discipline

Morning, day, night, daily, Radar, swarm, dual-slot, static, gift, and event rows remain distinct when their requirements differ.

Route Plan

Cross Route 227's ash fields, enter Stark Mountain, clear the solo entrance, join Buck for the main chamber, follow Looker to Charon, then return after the Magma Stone sequence.

Exact pret map constants (6)

MAP_HEADER_STARK_MOUNTAIN_OUTSIDE · MAP_HEADER_STARK_MOUNTAIN_ROOM_1 · MAP_HEADER_STARK_MOUNTAIN_ROOM_2 · MAP_HEADER_STARK_MOUNTAIN_ROOM_3 · MAP_HEADER_ROUTE_227 · MAP_HEADER_ROUTE_227_HOUSE

Wild Pokémon

Each area below has its own table, split by encounter method. Standard grass and cave rates merge every base slot for a species and are shown per time window: morning 04:00-09:59, day 10:00-19:59, night 20:00-03:59. Swarm, Poké Radar, GBA dual-slot, and Trophy Garden replacements keep their own labeled rows. Underlying slot odds: grass 20/20/10/10/10/10/5/5/4/4/1/1; Surf and Old Rod 60/30/5/4/1; Good and Super Rod 40/40/15/4/1.

Route 227

Route 227 wild Pokémon by method, levels, time-of-day rates, and requirements
Pokémon	Levels	Rate			Requirement / notes
Pokémon	Levels	Morning	Day	Night	Requirement / notes
Grass / cave floor
Camerupt	53	20%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Fearow	51 or 53	20%	20%	10%	Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Rhydon	54	20%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Graveler	51 or 53	15%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Golbat	51	—	—	10%	Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Weezing	52	10%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Numel	51	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Rhyhorn	52	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Skarmory	53	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Swarm (post-National Dex daily announcement)
Spinda	53-54	40%			Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Torkoal	51-53	22%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Numel	51	4%			National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Numel	51	4%			National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Numel	51	4%			National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Numel	51	4%			National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Numel	51	4%			National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Surfing
Poliwhirl	35-55	70%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Poliwag	35-45	30%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Fishing — Old Rod
Magikarp	3-15	100%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Fishing — Good Rod
Magikarp	10-25	55%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Barboach	10-25	45%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Fishing — Super Rod
Gyarados	30-55	55%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Whiscash	30-55	45%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.

Route 227 and Stark Mountain

Route 227 and Stark Mountain wild Pokémon by method, levels, time-of-day rates, and requirements
Pokémon	Levels	Rate			Requirement / notes
Pokémon	Levels	Morning	Day	Night	Requirement / notes
Static encounter
Heatran	50	One			Complete Buck, Charon, and Magma Stone story; return to final room. Save in front of Heatran after the Survival Area follow-up.

Stark Mountain Outside

Stark Mountain Outside wild Pokémon by method, levels, time-of-day rates, and requirements
Pokémon	Levels	Rate			Requirement / notes
Pokémon	Levels	Morning	Day	Night	Requirement / notes
Grass / cave floor
Camerupt	53	20%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Fearow	51 or 53	20%	20%	10%	Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Rhydon	54	20%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Graveler	51 or 53	15%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Golbat	51	—	—	10%	Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Weezing	52	10%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Numel	51	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Rhyhorn	52	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Skarmory	53	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Swarm (post-National Dex daily announcement)
Camerupt	53	20%			Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Rhydon	54	20%			Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Torkoal	51-53	22%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Numel	51	4%			National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Numel	51	4%			National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Numel	51	4%			National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Numel	51	4%			National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Numel	51	4%			National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Stark Mountain Room 1

Stark Mountain Room 1 wild Pokémon by method, levels, time-of-day rates, and requirements
Pokémon	Levels	Rate			Requirement / notes
Pokémon	Levels	Morning	Day	Night	Requirement / notes
Grass / cave floor
Golbat	52	20%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Magcargo	54	20%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Rhydon	54	20%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Graveler	51 or 53	15%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Weezing	51 or 53	15%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Rhyhorn	52	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Slugma	52	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Swarm (post-National Dex daily announcement)
Magcargo	54	20%			Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Rhydon	54	20%			Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Golbat	52	10%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Weezing	53	10%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Rhyhorn	52	1%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Slugma	52	1%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Rhyhorn	52	4%			National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Rhyhorn	52	4%			National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	52	4%			National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	52	4%			National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	52	4%			National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	52	4%			National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	52	4%			National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Stark Mountain Room 2

Stark Mountain Room 2 wild Pokémon by method, levels, time-of-day rates, and requirements
Pokémon	Levels	Rate			Requirement / notes
Pokémon	Levels	Morning	Day	Night	Requirement / notes
Grass / cave floor
Magcargo	53 or 55	40%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Graveler	52 or 54	15%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Weezing	52 or 54	15%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Golbat	53	10%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Rhydon	55	10%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Koffing	53	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Slugma	53	5%			Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Swarm (post-National Dex daily announcement)
Magcargo	53 or 55	40%			Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Rhydon	55	10%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Weezing	54	10%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Koffing	53	1%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Slugma	53	1%			National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Koffing	53	4%			National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Koffing	53	4%			National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Koffing	53	4%			National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Koffing	53	4%			National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Koffing	53	4%			National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	53	4%			National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	53	4%			National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	53	4%			National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	53	4%			National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Slugma	53	4%			National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Wild held items

CompoundEyes affects the held-item check when its user leads. Great Marsh catches cannot use Thief or Covet during the Safari Game; catch and inspect instead.

Wild Pokémon	Held item	Chance
Camerupt	Rawst Berry	100%
Fearow	Sharp Beak	5%
Graveler	Everstone	5%
Koffing	Smoke Ball	5%
Numel	Rawst Berry	100%
Poliwhirl	Kings Rock	5%
Spinda	Chesto Berry	5%
Weezing	Smoke Ball	5%

Trainers

Route order follows event-object order, then source-script order. Teams show held items and moves only where Platinum explicitly defines them. Rewards use the engine formula: highest party level × 4 × trainer-class multiplier.

Trainer	Route order / placement	Full team	Reward	Optional / rematch note
Dragon Tamer DarienSource trainer ID 558	Stark Mountain Outside • order 3 at source tile (749, 248)	Dragonite Lv. 60	₽1,920	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Commander Mars MarsSource trainer ID 926	Stark Mountain Room 1 • scripted battle	Bronzong Lv. 58Held: NoneMoves: Gyro Ball / Extrasensory / Light Screen / Confuse Ray Golbat Lv. 58Held: NoneMoves: Air Cutter / Bite / Poison Fang / Confuse Ray Purugly Lv. 60Held: Sitrus BerryMoves: Slash / Shadow Claw / Aerial Ace / Hypnosis	₽4,800	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Commander Jupiter JupiterSource trainer ID 927	Stark Mountain Room 1 • scripted battle	Bronzong Lv. 58Held: NoneMoves: Gyro Ball / Extrasensory / Rock Slide / Reflect Golbat Lv. 58Held: NoneMoves: Sludge Bomb / Air Cutter / Giga Drain / Mean Look Skuntank Lv. 60Held: Sitrus BerryMoves: Night Slash / Poison Jab / Flamethrower / Smoke Screen	₽4,800	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Male KeenanSource trainer ID 569	Stark Mountain Room 2 • order 16 at source tile (31, 73)	Primeape Lv. 58 Electabuzz Lv. 58 Banette Lv. 59	₽3,540	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Female KassandraSource trainer ID 579	Stark Mountain Room 2 • order 17 at source tile (33, 76)	Jumpluff Lv. 58Moves: Memento / Giga Drain / Toxic / Bounce Onix Lv. 58Moves: Stone Edge / Earthquake / Iron Tail / Dragon Breath Ampharos Lv. 59Moves: Thunder Punch / Power Gem / Signal Beam / Fire Punch	₽3,540	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Male SkylarSource trainer ID 571	Stark Mountain Room 2 • order 18 at source tile (52, 11)	Loudred Lv. 58Moves: Hyper Voice / Bite / Supersonic / Screech Rampardos Lv. 59Moves: Head Smash / Zen Headbutt / Ancient Power / Screech Pelipper Lv. 58Moves: Air Slash / Water Pulse / Roost / Quick Attack	₽3,540	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Female NatashaSource trainer ID 581	Stark Mountain Room 2 • order 19 at source tile (54, 11)	Wigglytuff Lv. 58Moves: Hyper Voice / Reflect / Light Screen / Shadow Ball Gardevoir Lv. 59Moves: Psychic / Magical Leaf / Calm Mind / Focus Blast Medicham Lv. 58Moves: Recover / Force Palm / Psychic / Rock Slide	₽3,540	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Psychic Female ChelseySource trainer ID 586	Stark Mountain Room 2 • order 20 at source tile (86, 75)	Lunatone Lv. 57 Gardevoir Lv. 59	₽1,888	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Psychic Male SterlingSource trainer ID 584	Stark Mountain Room 2 • order 21 at source tile (83, 75)	Solrock Lv. 57 Gallade Lv. 59	₽1,888	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Bird Keeper KrystalSource trainer ID 556	Stark Mountain Room 2 • order 22 at source tile (48, 53)	Staravia Lv. 55 Fearow Lv. 57 Noctowl Lv. 59	₽1,888	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Black Belt RaySource trainer ID 589	Stark Mountain Room 2 • order 23 at source tile (48, 57)	Breloom Lv. 58Moves: Seed Bomb / Mach Punch / Sky Uppercut / Spore Toxicroak Lv. 58Moves: Sludge Bomb / Nasty Plot / Focus Blast / Dark Pulse	₽1,392	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Male StefanSource trainer ID 570	Stark Mountain Room 2 • order 24 at source tile (13, 36)	Pupitar Lv. 58 Torterra Lv. 61	₽3,660	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Female JasminSource trainer ID 580	Stark Mountain Room 2 • order 25 at source tile (9, 36)	Drapion Lv. 61Moves: Cross Poison / Crunch / X Scissor / Aerial Ace	₽3,660	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Dragon Tamer DrakeSource trainer ID 561	Stark Mountain Room 2 • order 26 at source tile (15, 22)	Gible Lv. 57 Gabite Lv. 57 Dragonair Lv. 57	₽1,824	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Black Belt JarrettSource trainer ID 590	Stark Mountain Room 2 • order 27 at source tile (17, 22)	Machamp Lv. 60Moves: Cross Chop / Fire Punch / Ice Punch / Thunder Punch	₽1,440	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Male AbelSource trainer ID 572	Stark Mountain Room 2 • order 28 at source tile (77, 64)	Glalie Lv. 59Moves: Hail / Ice Beam / Sheer Cold / Crunch Crobat Lv. 60Moves: Air Slash / Poison Fang / Confuse Ray / Shadow Ball	₽3,600	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Female MoniqueSource trainer ID 582	Stark Mountain Room 2 • order 29 at source tile (77, 66)	Luxray Lv. 58Moves: Discharge / Crunch / Thunder Wave / Facade Ursaring Lv. 59Moves: Hammer Arm / Stone Edge / Swords Dance / Giga Impact Gliscor Lv. 58Moves: Aerial Ace / X Scissor / Earthquake / Quick Attack	₽3,540	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Veteran HarlanSource trainer ID 606	Stark Mountain Room 2 • order 30 at source tile (62, 10)	Raticate Lv. 57Moves: Endeavor / Super Fang / Crunch / Quick Attack Drifblim Lv. 58Moves: Explosion / Shadow Ball / Toxic / Fly Shiftry Lv. 59Moves: Leaf Storm / Faint Attack / Extrasensory / Quick Attack	₽4,720	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Dragon Tamer KennySource trainer ID 562	Stark Mountain Room 2 • order 31 at source tile (67, 12)	Bagon Lv. 57 Shelgon Lv. 57 Vibrava Lv. 57	₽1,824	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Male SaulSource trainer ID 564	Route 227 • order 6 at source tile (756, 308)	Tauros Lv. 61Moves: Thrash / Zen Headbutt / Swagger / Payback	₽3,660	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ranger Female FeliciaSource trainer ID 595	Route 227 • order 7 at source tile (747, 311)	Skiploom Lv. 59 Lopunny Lv. 59	₽3,540	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Black Belt GriffinSource trainer ID 588	Route 227 • order 8 at source tile (764, 266)	Breloom Lv. 58Moves: Spore / Mach Punch / Seed Bomb / Sky Uppercut Medicham Lv. 58Moves: Detect / Psychic / Hi Jump Kick / Ice Punch	₽1,392	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Ace Trainer Female MikaylaSource trainer ID 576	Route 227 • order 9 at source tile (752, 295)	Seviper Lv. 56Moves: Night Slash / Poison Fang / Wring Out / Glare Persian Lv. 56Moves: Night Slash / Power Gem / Faint Attack / Fake Out Absol Lv. 56Moves: Night Slash / Psycho Cut / Slash / Quick Attack	₽3,360	One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.

Items And Services

Item / service	Method	Plain-English placement	Requirement
Life Orb	Visible field item	Pick up the item ball in the southwestern part of Stark Mountain Outside, 9 tiles west of the Dragon Tamer Darien. Source QA tile: 740, 248.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Max Elixir	Visible field item	Pick up the item ball in the northeastern part of Stark Mountain Outside, 11 tiles east of the Looker. Source QA tile: 762, 232.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Full Heal	Visible field item	Pick up the item ball in the northwestern part of Stark Mountain Room 1, 5 tiles west and 5 tiles north of the Rock Smash 1. Source QA tile: 6, 6.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Escape Rope	Visible field item	Pick up the item ball in the southwestern part of Stark Mountain Room 1, 11 tiles west and 1 tile north of the Grunt Male 1. Source QA tile: 8, 23.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
PP Up	Visible field item	Pick up the item ball in the southeastern part of Stark Mountain Room 1, 12 tiles east and 1 tile north of the Jupiter. Source QA tile: 33, 25.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Full Restore	Visible field item	Pick up the item ball in the northeastern part of Stark Mountain Room 1, 2 tiles west and 6 tiles north of the Strength Boulder 6. Source QA tile: 25, 7.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
TM50	Visible field item	Pick up the item ball in the western part of Stark Mountain Room 2, 2 tiles west and 8 tiles south of the Ace Trainer Stefan. Source QA tile: 11, 44.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Calcium	Visible field item	Pick up the item ball in the central part of Stark Mountain Room 2, 1 tile east and 4 tiles north of the Bird Keeper Krystal. Source QA tile: 49, 49.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Max Revive	Visible field item	Pick up the item ball in the northern part of Stark Mountain Room 2, 8 tiles north of the Ace Trainer Natasha. Source QA tile: 54, 3.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Rare Candy	Visible field item	Pick up the item ball in the southwestern part of Stark Mountain Room 2, 21 tiles west of the Ace Trainer Kassandra. Source QA tile: 12, 76.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Iron Ball	Visible field item	Pick up the item ball in the southern part of Stark Mountain Room 2, 14 tiles east and 9 tiles south of the Buck. Source QA tile: 56, 77.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Max Elixir	Visible field item	Pick up the item ball in the eastern part of Stark Mountain Room 2, 9 tiles east and 2 tiles south of the Rock Smash 2. Source QA tile: 69, 55.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Nugget	Visible field item	Pick up the item ball in the northeastern part of Stark Mountain Room 2. Source QA tile: 92, 3.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Ultra Ball	Visible field item	Pick up the item ball in the central part of Stark Mountain Room 2, 5 tiles west and 14 tiles south of the Rock Smash 1. Source QA tile: 38, 44.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Charcoal	Visible field item	Pick up the item ball in the northeastern part of Route 227, 1 tile east and 8 tiles south of the Buck. Source QA tile: 759, 283.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Zinc	Visible field item	Pick up the item ball in the western part of Route 227, 7 tiles west of the Ace Trainer Mikayla. Source QA tile: 745, 295.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Yellow Shard	Visible field item	Pick up the item ball in the northern part of Route 227, 7 tiles west and 4 tiles north of the Buck. Source QA tile: 751, 271.	Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.

Hidden Items

Hidden item	Plain-English placement	Requirement
Star Piece	Use the Dowsing Machine on the ground in the northeastern part of Stark Mountain Room 1, 2 tiles west and 9 tiles north of the Strength Boulder 6. Source QA tile: 25, 4; search radius 2.	Dowsing Machine Pokétch app and access to this subarea.
Stardust	Use the Dowsing Machine on the ground in the eastern part of Stark Mountain Room 2, 8 tiles east and 15 tiles north of the Ace Trainer Abel. Source QA tile: 85, 49; search radius 2.	Dowsing Machine Pokétch app and access to this subarea.
Iron	Use the Dowsing Machine on the ground in the northeastern part of Stark Mountain Room 2, 6 tiles east and 3 tiles south of the Dragon Tamer Kenny. Source QA tile: 73, 15; search radius 2.	Dowsing Machine Pokétch app and access to this subarea.
Flame Plate	Use the Dowsing Machine on the ground in the western part of Stark Mountain Room 2, 4 tiles west and 12 tiles south of the Ace Trainer Jasmin. Source QA tile: 5, 48; search radius 0.	Dowsing Machine Pokétch app and access to this subarea.
Max Revive	Use the Dowsing Machine on the ground in the southern part of Stark Mountain Room 2, 9 tiles east and 9 tiles south of the Buck. Source QA tile: 51, 77; search radius 2.	Dowsing Machine Pokétch app and access to this subarea.
Star Piece	Use the Dowsing Machine on the ground in the central part of Stark Mountain Room 2, 13 tiles north of the Strength Boulder 3. Source QA tile: 53, 39; search radius 2.	Dowsing Machine Pokétch app and access to this subarea.
Ultra Ball	Use the Dowsing Machine on the ground in the southwestern part of Stark Mountain Room 2, 13 tiles west of the Ace Trainer Keenan. Source QA tile: 18, 73; search radius 2.	Dowsing Machine Pokétch app and access to this subarea.
Star Piece	Use the Dowsing Machine on the ground in the northwestern part of Route 227, 23 tiles west and 2 tiles north of the Black Belt Griffin. Source QA tile: 741, 264; search radius 2.	Dowsing Machine Pokétch app and access to this subarea.
Max Repel	Use the Dowsing Machine on the ground in the northern part of Route 227, 9 tiles west and 5 tiles south of the Buck. Source QA tile: 749, 280; search radius 2.	Dowsing Machine Pokétch app and access to this subarea.
Rare Candy	Use the Dowsing Machine on the ground in the southwestern part of Route 227, 3 tiles west and 15 tiles south of the Ranger Felicia. Source QA tile: 744, 326; search radius 2.	Dowsing Machine Pokétch app and access to this subarea.

Puzzles, Warps, And Switches

Buck heals the party during the escort. Several Strength and Rock Smash branches become easier after he removes the Magma Stone and the partner restriction ends.

Boss Strategy And Partners

No boss, Gym Leader, rival branch, Commander, Elite Four member, or Champion is assigned to this section.

Completion Checklist

Visit all 6 mapped subareas listed in the source constants.
Record the 96 applicable wild, static, gift, trade, or event encounter rows across the per-area tables.
Defeat or intentionally defer all 23 source-placed trainer battles.
Collect or account for 17 visible items, berry patches, gifts, and services plus 10 Dowsing Machine items.
Complete the route, story, puzzle, boss, partner, and event conditions above before following the next-section link.

Sources And Validation

Primary source: pret/pokeplatinum commit 7c0aa10b6a6aa09d8824e08bd8a36f6fc8b7ad8d.
Source layers: res/field/encounters, res/field/events, res/field/scripts, res/trainers, personal held-item data, map headers, hidden-item table, berry initializer, trades, tutors, and Frontier sets.
Machine-readable validation report records page, map, trainer, item, encounter, asset, and source invariants.