Phase 2 section
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.
Phase 2Forest Badge Floaroma, Valley Windworks, Eterna Forest, Gardenia, Galactic Eterna, and Rotom. 02 / 12
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.
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
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
Gastly | 14-17 | 100% | 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 | 14-15 | 40% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
Gastly | 16-17 | 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) | |||||
Gastly | 17 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Old Chateau and Rotom
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Television static encounter | |||||
Rotom | 20 | One | Night, 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
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
Gastly | 14-17 | 100% | 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 | 14-15 | 40% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
Gastly | 16-17 | 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) | |||||
Gastly | 17 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Old Chateau Back Middle East Room
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
Gastly | 14-17 | 100% | 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 | 14-15 | 40% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
Gastly | 16-17 | 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) | |||||
Gastly | 17 | 4% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 4% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 4% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 4% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 4% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gengar | 17 | 4% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gengar | 17 | 4% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gengar | 17 | 4% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gengar | 17 | 4% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gengar | 17 | 4% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Old Chateau Back Middle Room
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
Gastly | 14-17 | 100% | 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 | 14-15 | 40% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
Gastly | 16-17 | 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) | |||||
Gastly | 17 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Old Chateau Back Middle West Room
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
Gastly | 14-17 | 100% | 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 | 14-15 | 40% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
Gastly | 16-17 | 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) | |||||
Gastly | 17 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Old Chateau Back West Room
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
Gastly | 14-17 | 100% | 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 | 14-15 | 40% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
Gastly | 16-17 | 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) | |||||
Gastly | 17 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Old Chateau Corridor
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
Gastly | 14-17 | 100% | 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 | 14-15 | 40% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
Gastly | 16-17 | 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) | |||||
Gastly | 17 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Old Chateau Dining Area
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
Gastly | 14-17 | 100% | 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 | 14-15 | 40% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
Gastly | 16-17 | 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) | |||||
Gastly | 17 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Old Chateau Side Rooms
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
Gastly | 14-17 | 100% | 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 | 14-15 | 40% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
Gastly | 16-17 | 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) | |||||
Gastly | 17 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
Gastly | 17 | 8% | 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 / service | Method | Plain-English placement | Requirement |
|---|---|---|---|
| Rare Candy | Visible field item | Pick 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 Pearl | Visible field item | Pick 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 Gateau | Visible field item | Pick 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 Plate | Visible field item | Pick 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 Plate | Visible field item | Pick 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. |
| TM90 | Visible field item | Pick 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. |
| TM90 | Visible field item | Pick 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 item | Plain-English placement | Requirement |
|---|---|---|
| Honey ×3 | Use 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/pokeplatinumcommit7c0aa10b6a6aa09d8824e08bd8a36f6fc8b7ad8d. - 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

