Phase 8 section
Pokemon Diamond and Pearl Mt. Coronet Upper Caves Walkthrough
Beacon Badge Clear the final indoor floors and Galactic gauntlet, navigate exterior-to-interior loops, and reach Spear Pillar fully supplied. Exact Diamond/Pearl encounters, every sourced trainer, visible and hidden items, puzzle notes, boss teams, and completion checks.
Phase 8 Beacon Badge Galactic HQ, Mt. Coronet, Spear Pillar, Dialga or Palkia, Sunyshore City, and Volkner. 08 / 11 
Clear the final indoor floors and Galactic gauntlet, navigate exterior-to-interior loops, and reach Spear Pillar fully supplied. This standalone section joins the route plan to the original Diamond/Pearl map, encounter, trainer, item, and script data; Platinum tables are not substituted.
Source maps
Mount Coronet 4F Room 1, Mount Coronet 4F Room 3, Mount Coronet 5F, Mount Coronet 6F, and Mount Coronet Tunnel Room.
Wild / special rows54Trainer rows8Visible / hidden items0 / 16
Version discipline
Rows merge only when Diamond and Pearl are identical, and each row carries D/P game markers. Version-exclusive species, mascot encounters, swarms, Radar slots, and GBA insertion slots keep their own labeled rows.
Route Plan
Sweep 4F side rooms; collect hidden cave items; clear 5F and 6F Grunts; use the tunnel room as a navigation checkpoint; verify the team and Ball supply; save before the last doorway; step onto Spear Pillar.
- The upper caves have no convenient Pokemon Center. Escape Rope exits are possible before Spear Pillar, but returning means repeating the ascent.
- Check held items and move PP before the last Grunts; the next section contains a double battle and Cyrus without an automatic full heal.
Exact pret map constants (5)
MAP_MOUNT_CORONET_4F_ROOM_1 MAP_MOUNT_CORONET_4F_ROOM_3 MAP_MOUNT_CORONET_5F MAP_MOUNT_CORONET_6F MAP_MOUNT_CORONET_TUNNEL_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, and GBA dual-slot 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.
Mount Coronet 4F Room 1
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
 Bronzong | DP | 38-40 | 25% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
 Graveler | DP | 38 | 20% | — | ||
 Clefairy | DP | 38-40 | 15% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
 Chingling | DP | 39-40 | 10% | — | ||
 Golbat | DP | 39 | 10% | — | ||
 Machoke | DP | 39 | 10% | — | ||
 Medicham | DP | 39 | 10% | — | ||
| Dual-slot GBA insertion (post-National Dex) | ||||||
 Lunatone | DP | 38-39 | 8% | National Dex plus Pokémon Sapphire inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
 Solrock | DP | 38-39 | 8% | National Dex plus Pokémon Ruby inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
| Surfing | ||||||
 Zubat | DP | 20-40 | 90% | — | ||
| Golbat | DP | 20-40 | 10% | — | ||
| Fishing — Old Rod | ||||||
 Magikarp | DP | 3-10 | 100% | — | ||
| Fishing — Good Rod | ||||||
| Magikarp | DP | 10-25 | 55% | — | ||
 Barboach | DP | 10-25 | 45% | — | ||
| Fishing — Super Rod | ||||||
 Gyarados | DP | 30-55 | 55% | — | ||
 Dratini | DP | 15-20 | 40% | — | ||
 Dragonair | DP | 15-40 | 5% | — | ||
Mount Coronet 4F Room 3
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
| Bronzong | DP | 38-40 | 25% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
| Graveler | DP | 38 | 20% | — | ||
| Clefairy | DP | 38-40 | 15% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
| Golbat | DP | 39 | 10% | — | ||
| Machoke | DP | 39 | 10% | — | ||
| Medicham | DP | 39 | 10% | — | ||
 Chimecho | DP | 40 | 5% | — | ||
| Chingling | DP | 40 | 5% | — | ||
| Dual-slot GBA insertion (post-National Dex) | ||||||
| Lunatone | DP | 38-39 | 8% | National Dex plus Pokémon Sapphire inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
| Solrock | DP | 38-39 | 8% | National Dex plus Pokémon Ruby inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
Mount Coronet 5F
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
| Bronzong | DP | 40-42 | 25% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
| Graveler | DP | 40 | 20% | — | ||
| Clefairy | DP | 40-42 | 15% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
| Chimecho | DP | 41-42 | 10% | — | ||
| Golbat | DP | 41 | 10% | — | ||
| Machoke | DP | 41 | 10% | — | ||
| Medicham | DP | 41 | 10% | — | ||
| Dual-slot GBA insertion (post-National Dex) | ||||||
| Lunatone | DP | 40-41 | 8% | National Dex plus Pokémon Sapphire inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
| Solrock | DP | 40-41 | 8% | National Dex plus Pokémon Ruby inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
Mount Coronet 6F
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
| Bronzong | DP | 40-42 | 25% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
| Graveler | DP | 40 | 20% | — | ||
| Clefairy | DP | 40-42 | 15% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
| Chimecho | DP | 41-42 | 10% | — | ||
| Golbat | DP | 41 | 10% | — | ||
| Machoke | DP | 41 | 10% | — | ||
| Medicham | DP | 41 | 10% | — | ||
| Dual-slot GBA insertion (post-National Dex) | ||||||
| Lunatone | DP | 40-41 | 8% | National Dex plus Pokémon Sapphire inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
| Solrock | DP | 40-41 | 8% | National Dex plus Pokémon Ruby inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
Mount Coronet Tunnel Room
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
| Graveler | DP | 39-40 | 40% | — | ||
| Clefairy | DP | 38-40 | 15% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
| Chingling | DP | 38 or 40 | 10% | — | ||
| Golbat | DP | 39 | 10% | — | ||
| Machoke | DP | 40 | 10% | — | ||
| Medicham | DP | 40 | 10% | — | ||
| Bronzong | DP | 39-40 | 5% | Rate counts base slots temporarily replaced by GBA dual-slot insertions. | ||
| Dual-slot GBA insertion (post-National Dex) | ||||||
| Lunatone | DP | 39-40 | 8% | National Dex plus Pokémon Sapphire inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
| Solrock | DP | 39-40 | 8% | National Dex plus Pokémon Ruby inserted in the Nintendo DS GBA slot; replaces grass slots 8-9. | ||
Trainers
Field order follows the map's object-event order. Full teams include explicit held items and moves when trdata defines them; cash rewards use the in-engine final-party-slot level and trainer-class multiplier formula.
| Trainer | Route order / placement | Full team | Reward | Access requirement | Optional / rematch note |
|---|---|---|---|---|---|
 Galactic GruntGalactic • source ID 517 | Mount Coronet 4F Room 1 • field order 1 at (23, 5) | ₽1,520 | The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | Field order 1, tile (23, 5); sightline/path determines whether it can be avoided. No higher-level same-trainer rematch variant is defined in trdata. | |
| Galactic GruntGalactic • source ID 516 | Mount Coronet 4F Room 1 • field order 2 at (10, 7) | ₽1,400 | The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | Field order 2, tile (10, 7); sightline/path determines whether it can be avoided. No higher-level same-trainer rematch variant is defined in trdata. | |
 Galactic Female GruntGalactic Female • source ID 525 | Mount Coronet 5F • field order 1 at (26, 16) | ₽1,520 | The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | Field order 1, tile (26, 16); sightline/path determines whether it can be avoided. No higher-level same-trainer rematch variant is defined in trdata. | |
| Galactic GruntGalactic • source ID 520 | Mount Coronet 5F • field order 2 at (20, 22) | ₽1,480 | The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | Field order 2, tile (20, 22); sightline/path determines whether it can be avoided. No higher-level same-trainer rematch variant is defined in trdata. | |
| Galactic Female GruntGalactic Female • source ID 526 | Mount Coronet 6F • field order 1 at (10, 15) | ₽1,480 | The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | Field order 1, tile (10, 15); sightline/path determines whether it can be avoided. No higher-level same-trainer rematch variant is defined in trdata. | |
| Galactic GruntGalactic • source ID 518 | Mount Coronet Tunnel Room • field order 1 at (20, 7) | ₽1,520 | The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | Field order 1, tile (20, 7); sightline/path determines whether it can be avoided. No higher-level same-trainer rematch variant is defined in trdata. | |
| Galactic GruntGalactic • source ID 519 | Mount Coronet Tunnel Room • field order 2 at (3, 48) | ₽1,600 | The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | Field order 2, tile (3, 48); sightline/path determines whether it can be avoided. No higher-level same-trainer rematch variant is defined in trdata. | |
| Galactic Female GruntGalactic Female • source ID 524 | Mount Coronet Tunnel Room • field order 3 at (25, 31) | ₽1,520 | The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | Field order 3, tile (25, 31); sightline/path determines whether it can be avoided. No higher-level same-trainer rematch variant is defined in trdata. |
Items
No visible item ball, decoded scripted gift, or curated system reward is assigned to this section.
Hidden Items
| Hidden item | Area / plain-English placement | QA coordinate | Requirement | Source |
|---|---|---|---|---|
| Revive | Mount Coronet 4F Room 1: Use the Dowsing Machine in the northwestern part of Mount Coronet 4F Room 1, 12 tiles west of the Mount Coronet 4F Room 1 doorway or transition and inspect that exact ground tile. | (5, 6) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 209, script 8093 |
| Ether | Mount Coronet 4F Room 1: Use the Dowsing Machine in the northwestern part of Mount Coronet 4F Room 1, 2 tiles west and 4 tiles north of the Mount Coronet 4F Room 1 doorway or transition and inspect that exact ground tile. | (15, 2) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 209, script 8094 |
| Escape Rope | Mount Coronet 4F Room 1: Use the Dowsing Machine in the western part of Mount Coronet 4F Room 1, 6 tiles east and 6 tiles south of the Mount Coronet 4F Room 1 doorway or transition and inspect that exact ground tile. | (23, 12) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 209, script 8095 |
| Tinymushroom | Mount Coronet 4F Room 1: Use the Dowsing Machine in the southern part of Mount Coronet 4F Room 1, 9 tiles west and 6 tiles north of the Mount Coronet South Mountainside doorway or transition and inspect that exact ground tile. | (26, 18) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 209, script 8098 |
| PP Up | Mount Coronet 4F Room 1: Use the Dowsing Machine in the southern part of Mount Coronet 4F Room 1, 6 tiles west of the Mount Coronet South Mountainside doorway or transition and inspect that exact ground tile. | (29, 24) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 209, script 8097 |
| Ultra Ball | Mount Coronet 4F Room 1: Use the Dowsing Machine in the central part of Mount Coronet 4F Room 1, 2 tiles west and 4 tiles south of the Mount Coronet North Mountainside doorway or transition and inspect that exact ground tile. | (38, 14) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 209, script 8096 |
| Stone Plate | Mount Coronet 4F Room 1: Use the Dowsing Machine in the northeastern part of Mount Coronet 4F Room 1, 3 tiles north of the Mount Coronet 4F Room 1 doorway or transition and inspect that exact ground tile. | (59, 3) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 209, script 8099 |
| Tinymushroom | Mount Coronet 4F Room 3: Use the Dowsing Machine in the southwestern part of Mount Coronet 4F Room 3, 3 tiles east and 6 tiles south of the Mount Coronet North Mountainside doorway or transition and inspect that exact ground tile. | (5, 9) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 210, script 8100 |
| Max Potion | Mount Coronet 5F: Use the Dowsing Machine in the eastern part of Mount Coronet 5F, 6 tiles east and 10 tiles south of the Mount Coronet 4F Room 3 doorway or transition and inspect that exact ground tile. | (27, 17) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 211, script 8102 |
| Stardust | Mount Coronet 5F: Use the Dowsing Machine in the southeastern part of Mount Coronet 5F, 12 tiles east and 1 tile south of the Mount Coronet 6F doorway or transition and inspect that exact ground tile. | (25, 25) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 211, script 8101 |
| Full Restore | Mount Coronet Tunnel Room: Use the Dowsing Machine in the northwestern part of Mount Coronet Tunnel Room, 11 tiles west and 6 tiles north of the Mount Coronet North 1F Room 1 doorway or transition and inspect that exact ground tile. | (5, 7) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 213, script 8105 |
| Nugget | Mount Coronet Tunnel Room: Use the Dowsing Machine in the northern part of Mount Coronet Tunnel Room, 5 tiles west and 3 tiles north of the Mount Coronet North 1F Room 1 doorway or transition and inspect that exact ground tile. | (11, 10) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 213, script 8103 |
| Rare Candy | Mount Coronet Tunnel Room: Use the Dowsing Machine in the central part of Mount Coronet Tunnel Room, 22 tiles south of the Mount Coronet North 1F Room 1 doorway or transition and inspect that exact ground tile. | (16, 35) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 213, script 8104 |
| Revive | Mount Coronet Tunnel Room: Use the Dowsing Machine in the eastern part of Mount Coronet Tunnel Room, 3 tiles east and 26 tiles south of the Mount Coronet North 1F Room 1 doorway or transition and inspect that exact ground tile. | (19, 39) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 213, script 8107 |
| Max Ether | Mount Coronet Tunnel Room: Use the Dowsing Machine in the southeastern part of Mount Coronet Tunnel Room, 23 tiles east and 2 tiles north of the Mount Coronet North Mountainside doorway or transition and inspect that exact ground tile. | (25, 56) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 213, script 8106 |
| Big Mushroom | Mount Coronet Tunnel Room: Use the Dowsing Machine in the southeastern part of Mount Coronet Tunnel Room, 18 tiles east of the Mount Coronet North Mountainside doorway or transition and inspect that exact ground tile. | (20, 58) | Dowsing Machine Pokétch app. The Spear Pillar ascent requires Surf, Strength, and Rock Climb plus the late Galactic story state. | event bank 213, script 8108 |
Puzzles, Warps, And Switches
- Several doorways loop between exterior ledges and similarly shaped cave rooms. Use floor labels and the most recent doorway as checkpoints instead of navigating only by compass direction.
Boss Strategy And Partners
No Gym Leader, rival branch, Galactic boss, Elite Four member, Champion, story partner, or major postgame battle is assigned here.
Completion Checklist
- Complete the currently reachable part of this route plan: Sweep 4F side rooms; collect hidden cave items; clear 5F and 6F Grunts; use the tunnel room as a navigation checkpoint; verify the team and Ball supply; save before the last doorway; step onto Spear Pillar.
- Review all 54 encounter rows across the per-area tables, including game markers, method band, time-of-day rates, levels, and each conditional requirement; mark conditional rows for their stated revisit.
- Defeat or deliberately skip every currently reachable trainer row; leave HM-, story-, or National-Dex-gated rows checked only after their access requirement is met.
- Collect currently reachable visible/scripted items and berry trees, use the Dowsing Machine for reachable hidden rows, and retain every explicitly gated row for the named cleanup visit.
- Resolve every currently available puzzle note, boss branch, and partner scene before opening the next section.
Sources And Validation
pret/pokediamondat commit038cccaed5de8f013875bc5d734f912d1de08e0f:map_header.c, D/P encounter archives,trdata.json, zone events, script archives, item tables, and trainer graphics.- Encounter slots were decoded from exact 424-byte D/P members and cross-checked against Gen IV slot behavior; the 0x6C pair is day, morning uses base slots, and 0x74 is night.
- Coordinates remain visible as QA anchors, while each hidden row also provides a plain-English map-region instruction.
- Generation-wide systems that are not tied to a normal map archive—Honey Trees, Great Marsh daily rolls, Trophy Garden, fossils, Pal Park, and event items—are explicitly curated in their dedicated system pages.
Dex quick links