Phase 15 section
Pokémon HeartGold & SoulSilver Embedded Tower trio Walkthrough
Use the version gift and opposite-version trade to reach Groudon, Kyogre, and Rayquaza. Exact HGSS encounters, trainers, items, puzzle route, version differences, and completion checks.
Use the version gift and opposite-version trade to reach Groudon, Kyogre, and Rayquaza. This combined guide never substitutes original Gold/Silver or Crystal data for the Nintendo DS remakes.
Source maps
Embedded Tower Groudon Room, Embedded Tower Kyogre Room, Embedded Tower Rayquaza Room.
Version scope
HeartGold and SoulSilver are labeled per row. Event-only and external-device content is never presented as normal retail progression.
Route Plan
After Red, receive the Blue Orb in HeartGold or Red Orb in SoulSilver from Mr. Pokémon, catch the native titan at Embedded Tower, trade for the opposite titan from the other version, show both to Oak, then return with the Jade Orb for Rayquaza.
Wild Pokémon
No random encounter bank is assigned to these source maps. Static, gift, Safari, Contest, or event records appear separately when applicable.
Static, gift, trade, and event Pokémon
| Pokémon | Method | Level | Requirement / note |
|---|---|---|---|
 Groudon | Static encounter | Lv. 50 | Source-scripted encounter or gift; save or make party space before resolving it. |
 Kyogre | Static encounter | Lv. 50 | Source-scripted encounter or gift; save or make party space before resolving it. |
 Rayquaza | Static encounter | Lv. 50 | Source-scripted encounter or gift; save or make party space before resolving it. |
| Groudon | Static encounter | Lv. 50 | HeartGold only with Blue Orb. |
| Kyogre | Static encounter | Lv. 50 | SoulSilver only with Red Orb. |
| Rayquaza | Static encounter | Lv. 50 | Jade Orb after showing Oak both Groudon and Kyogre. |
Trainers
No source-placed trainer battle or configured boss branch is assigned to these exact maps.
Items And Hidden Items
No item ball, type-2 hidden item, or Apricorn tree is assigned to these exact source maps.
Puzzles And Systems
Follow the route plan in order; source tiles in the item and trainer tables provide a QA anchor for every placed object.
Completion Checklist
- Visit all 3 mapped source subareas assigned here.
- Account for 6 random, Headbutt, Safari, Contest, static, gift, trade, or event rows across the per-area tables.
- Defeat or deliberately defer all 0 listed trainer records.
- Collect 0 visible items, 0 hidden items, and 0 Apricorn trees assigned here.
- Finish the stated story, puzzle, schedule, version, and event conditions before moving on.
Sources And Validation
- Primary source:
pret/pokeheartgoldcommit814275e4392cc21eef45a04e6dc8d980010ca2b7. - Layers: encounter banks, map headers, trainer parties, field events and scripts, Headbutt, Safari, Bug Contest, hidden items, Apricorns, phone/Pokégear, and Frontier engine data.
- Machine-readable validation report and trainer asset manifest.
Dex quick links