From Bulbapedia, the community-driven Pokémon encyclopedia.
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Grand Sea (Japanese: 大きな海 Grand Sea) is a dungeon in Pokémon Mystery Dungeon: Red Rescue Team and Blue Rescue Team and Pokémon Mystery Dungeon: Rescue Team DX that contains 30 floors. It is automatically unlocked by purchasing the Serene SeaRB/Bountiful SeaRTDX Friend Area, which is available after the completion of the main story.
Gameplay
Generation III
HM Dive is required to enter the dungeon. The DeepSeaScale can be found on 15F and the DeepSeaTooth can be found on 25F, surrounded by water. If player already has that item in their Toolbox or storage, it will be replaced by a Link Cable. Additionally, all floors are shrouded in darkness, limiting field of view in hallways to 2 tiles.
Generation VIII
The final floor contains 2 Deluxe Boxes, 1 Calcium, 1 Carbos, 1 Iron, 1 Protein, and 1 Zinc.
Pokémon encountered
Generation III
Generation VIII
Items
Generation III
Grand Sea
Monster House
Generation VIII
Grand Sea
 | This section is incomplete. Please feel free to edit this section to add missing information and complete it. Reason: needs floor numbers and items |
Sparkling Floor
Monster House
Traps encountered
Generation III
Note: The % are rough estimates.
Generation VIII
| | This section is incomplete. Please feel free to edit this section to add missing information and complete it. Reason: needs percentages |
Note: The % are rough estimates.
Other encounters
Generation III
| Image | Tile | Floor 1-30 |
|---|---|---|
 | Monster House | 6% |
Layout
| Interior |
|---|
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