Phase 2 section

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Pokémon Platinum Old Chateau and Rotom Walkthrough

Forest Badge

Use Cut to explore the haunted manor and trigger the television encounter at night. Exact Platinum encounters, every sourced trainer, items, hidden-item directions, puzzle notes, boss data, and completion checks.

Nintendo DS Pokemon Platinum Phase 2Forest Badge Floaroma, Valley Windworks, Eterna Forest, Gardenia, Galactic Eterna, and Rotom. 02 / 12 Giratina artwork Rotom artwork
By Damodar Sharma Updated July 10, 2026 Walkthrough

Use Cut to explore the haunted manor and trigger the television encounter at night. 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

Old Chateau, Old Chateau Dining Area, Old Chateau Side Rooms, Old Chateau Corridor, Old Chateau Back West Room, Old Chateau Back Middle West Room, Old Chateau Back Middle Room, Old Chateau Back Middle East Room, Old Chateau Back East Room.

Encounter rows78Trainer rows0Visible / hidden7 / 1

Platinum discipline

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

Route Plan

Re-enter Eterna Forest from the west, Cut into the Old Chateau, search every room, then inspect the television between 20:00 and 03:59.

Exact pret map constants (9)

MAP_HEADER_OLD_CHATEAU · MAP_HEADER_OLD_CHATEAU_DINING_AREA · MAP_HEADER_OLD_CHATEAU_SIDE_ROOMS · MAP_HEADER_OLD_CHATEAU_CORRIDOR · MAP_HEADER_OLD_CHATEAU_BACK_WEST_ROOM · MAP_HEADER_OLD_CHATEAU_BACK_MIDDLE_WEST_ROOM · MAP_HEADER_OLD_CHATEAU_BACK_MIDDLE_ROOM · MAP_HEADER_OLD_CHATEAU_BACK_MIDDLE_EAST_ROOM · MAP_HEADER_OLD_CHATEAU_BACK_EAST_ROOM

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.

Old Chateau

Old Chateau wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Gastly artworkGastly14-17100%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)
Gastly artworkGastly14-1540%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Gastly artworkGastly16-1722%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Gastly artworkGastly178%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Old Chateau and Rotom

Old Chateau and Rotom wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Television static encounter
Rotom artworkRotom20OneNight, 20:00-03:59. Platinum allows the encounter before the National Dex. The Secret Key event unlocks appliance forms later.

Old Chateau Back East Room

Old Chateau Back East Room wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Gastly artworkGastly14-17100%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)
Gastly artworkGastly14-1540%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Gastly artworkGastly16-1722%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Gastly artworkGastly178%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Old Chateau Back Middle East Room

Old Chateau Back Middle East Room wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Gastly artworkGastly14-17100%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)
Gastly artworkGastly14-1540%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Gastly artworkGastly16-1722%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Gastly artworkGastly174%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly174%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly174%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly174%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly174%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gengar artworkGengar174%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gengar artworkGengar174%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gengar artworkGengar174%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gengar artworkGengar174%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gengar artworkGengar174%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Old Chateau Back Middle Room

Old Chateau Back Middle Room wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Gastly artworkGastly14-17100%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)
Gastly artworkGastly14-1540%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Gastly artworkGastly16-1722%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Gastly artworkGastly178%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Old Chateau Back Middle West Room

Old Chateau Back Middle West Room wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Gastly artworkGastly14-17100%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)
Gastly artworkGastly14-1540%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Gastly artworkGastly16-1722%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Gastly artworkGastly178%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Old Chateau Back West Room

Old Chateau Back West Room wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Gastly artworkGastly14-17100%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)
Gastly artworkGastly14-1540%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Gastly artworkGastly16-1722%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Gastly artworkGastly178%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Old Chateau Corridor

Old Chateau Corridor wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Gastly artworkGastly14-17100%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)
Gastly artworkGastly14-1540%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Gastly artworkGastly16-1722%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Gastly artworkGastly178%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Old Chateau Dining Area

Old Chateau Dining Area wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Gastly artworkGastly14-17100%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)
Gastly artworkGastly14-1540%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Gastly artworkGastly16-1722%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Gastly artworkGastly178%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Old Chateau Side Rooms

Old Chateau Side Rooms wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Gastly artworkGastly14-17100%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)
Gastly artworkGastly14-1540%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Gastly artworkGastly16-1722%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Gastly artworkGastly178%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Gastly artworkGastly178%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).

Trainers

No trainer object or fixed trainer-battle command is assigned to these source maps. Story-only NPC encounters remain described in the route plan.

Items And Services

Item / serviceMethodPlain-English placementRequirement
Rare CandyVisible field itemPick up the item ball in the northwestern part of Old Chateau Dining Area, 14 tiles west and 1 tile north of the Old Man. Source QA tile: 5, 3.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Big PearlVisible field itemPick up the item ball in the eastern part of Old Chateau Dining Area, 18 tiles east and 2 tiles south of the Old Man. Source QA tile: 37, 6.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Old GateauVisible field itemPick up the item ball in the northwestern part of Old Chateau Side Rooms. Source QA tile: 4, 6.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Dread PlateVisible field itemPick up the item ball in the northwestern part of Old Chateau Back West Room. Source QA tile: 3, 4.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Dread PlateVisible field itemPick up the item ball in the northwestern part of Old Chateau Back Middle West Room. Source QA tile: 3, 4.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
TM90Visible field itemPick up the item ball in the northeastern part of Old Chateau Back Middle East Room, 1 tile north of the Twin. Source QA tile: 20, 4.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
TM90Visible field itemPick up the item ball in the northern part of Old Chateau Back East Room. Source QA tile: 10, 4.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.

Hidden Items

Hidden itemPlain-English placementRequirement
Honey ×3Use the Dowsing Machine on the ground in the southwestern part of Old Chateau Dining Area, 17 tiles west and 7 tiles south of the Old Man. Source QA tile: 2, 11; search radius 2.Dowsing Machine Pokétch app and access to this subarea.

Puzzles, Warps, And Switches

  • The dining-room ghost and hallway girl are ambient events, not battles. Save before touching the television.

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 9 mapped subareas listed in the source constants.
  • Record the 78 applicable wild, static, gift, trade, or event encounter rows across the per-area tables.
  • Defeat or intentionally defer all 0 source-placed trainer battles.
  • Collect or account for 7 visible items, berry patches, gifts, and services plus 1 Dowsing Machine item.
  • 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.

Dex quick links

Pokemon in this phase