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Grand Underground — Pokémon: Brilliant Diamond & Shining Pearl Interactive Map

14 Comments

The Grand Underground is an area in Pokémon Brilliant Diamond and Shining Pearl (BDSP) found beneath the entire Sinnoh region. This map will help you find all the key items, named NPCs, TMs, Caves/Cavers, Medics, Entry/Exit Points and Pokemon encounters.

Published: 15th of Nov, 2021 • Map Credit: Aveyn Knight

14 Comments
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Comment submission error:

The comment must be at least 1 character in length.

1
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Esta es mi lista hasta ahora de los nombres españoles. No tengo los nombres de la última sección:

Adrienne - Greca

Blaire - ??

Dane - puede ser Hideki - (ninja con ropa verde)

Dilan - Pablito

Donn - Wilfredo

Dugal - Jeremías

Eileen - Espe

Elishah - Nadir

Emmy - Pina

Guy - Kenji

Harper - !!! la rubia con ropa anaranjada (puede ser Marcela)

Kawika - Esaú

Kellyn - Jofre

Kiera - Fernanda

Leilani - Luana

Leticia - Favia

Maika - Anna

Matthew - Tico

Meredyth - Landria

Meri - Saray

Michelle - Ceci

Mireille - Micaela

Perdita - Clodovea

Polly - Eloísa

Reade - Florentín

Reika - Mariluz

Reggie - !!! gorra azul (puede ser Rober?)

Rita !!! la rubia con ropa anaranjada (puede ser Marcela)

Roy - Aimar

Ryuki - ??

Samuel - Rober?? (solo lo vi una vez)

Seamus - Feliciano

Shayne - Fede

Teena - Eider

Troye - ?

192
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Thank you for your help! To help more people, we've added a new page with names for every language.

1
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Ich finde es schade das manche Namen englische Schreibweise nicht mit dem Spiel bei einstimmen dass man die NPC nicht genau zuordnen kann

1
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You all are doing a great job! This will come in handy later :)

86
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Thanks for the kind words!

3
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I have posted some missing info on the Gamer Guides discord's BDSP section, but if I should post it here instead give me a heads up!

Edit: When I come here to write a new message, the textbox says that this would be the first comment on the page; however there already are a couple of them. Is this something that's possible to look into?

3
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Thank you so much for this map! It was very helpful to locate traders and TMs.

I'm not sure if this is the right place to discuss it, but there are two things that I have observed and that aren't present on this map: 1. There is a Small Sphere trader in the corner just south of the Icy Cave in the Stargleam Cavern area (center area) 2. When entering the underground from route 213, depending on the player's position on the route, it is possible to access the Bogsunk Cavern area (southeast area); however I don't see the route's Entrance/Exit label anywhere (not even on the big center part).

If you are aware of these and there is a reason why they are not there, please let me know!

86
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We have now added the Small Sphere Trader NPC to the map in the Stargleam Cavern area.

192
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Thanks, that's a massive help! I've added some more entrances from Route 213 now. It's quite useful for visiting the south-east section of the underground early.

3
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Good to know that you're keeping the map up-to-date! If I find anything else I will leave a comment ^^

Edit: Actually I have a comment now that I think of it.

The route 213's case is actually more complex (actually, maybe more simple) than I initially thought.

According to my short testing, the exact spot you end up when entering the Grand Underground (usually in the middle of a corner/intersection) depends on which square you are on the map at the moment of digging. That means that routes and towns that are bigger that one "square", as seen on the town map when navigating with the D-pad, can lead to multiple places underground; hence route 213 leading sometimes to the wide center area, and sometimes to the south-eastern area.

I hope this information could somehow be labeled correctly on the map so that routes leading to different areas aren't wrongly displayed! (This would lead to a lot of information on screen though).

Hope this helps!

86
User profile pic

Hi there! This map is still a work-in-progress and not yet fully complete. Thank you for bringing this to our attention. We will update the map accordingly! ????

2
User profile pic

A godsend of a map. Thanks so much! Btw, I found Guy where Reade is indicated.

2
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Ohhh that makes sense

86
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Hi there! So there is a random chance for any NPC to spawn in the vicinity of the marked NPCs. The named NPCs are however most likely to appear in the areas marked on the map.

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1
User profile pic

You all are doing a great job! This will come in handy later :)

86
User profile pic

Thanks for the kind words!

3
User profile pic

Thank you so much for this map! It was very helpful to locate traders and TMs.

I'm not sure if this is the right place to discuss it, but there are two things that I have observed and that aren't present on this map: 1. There is a Small Sphere trader in the corner just south of the Icy Cave in the Stargleam Cavern area (center area) 2. When entering the underground from route 213, depending on the player's position on the route, it is possible to access the Bogsunk Cavern area (southeast area); however I don't see the route's Entrance/Exit label anywhere (not even on the big center part).

If you are aware of these and there is a reason why they are not there, please let me know!

86
User profile pic

We have now added the Small Sphere Trader NPC to the map in the Stargleam Cavern area.

192
User profile pic

Thanks, that's a massive help! I've added some more entrances from Route 213 now. It's quite useful for visiting the south-east section of the underground early.

3
User profile pic

Good to know that you're keeping the map up-to-date! If I find anything else I will leave a comment ^^

Edit: Actually I have a comment now that I think of it.

The route 213's case is actually more complex (actually, maybe more simple) than I initially thought.

According to my short testing, the exact spot you end up when entering the Grand Underground (usually in the middle of a corner/intersection) depends on which square you are on the map at the moment of digging. That means that routes and towns that are bigger that one "square", as seen on the town map when navigating with the D-pad, can lead to multiple places underground; hence route 213 leading sometimes to the wide center area, and sometimes to the south-eastern area.

I hope this information could somehow be labeled correctly on the map so that routes leading to different areas aren't wrongly displayed! (This would lead to a lot of information on screen though).

Hope this helps!

86
User profile pic

Hi there! This map is still a work-in-progress and not yet fully complete. Thank you for bringing this to our attention. We will update the map accordingly! ????

2
User profile pic

A godsend of a map. Thanks so much! Btw, I found Guy where Reade is indicated.

2
User profile pic

Ohhh that makes sense

86
User profile pic

Hi there! So there is a random chance for any NPC to spawn in the vicinity of the marked NPCs. The named NPCs are however most likely to appear in the areas marked on the map.

1
User profile pic

Esta es mi lista hasta ahora de los nombres españoles. No tengo los nombres de la última sección:

Adrienne - Greca

Blaire - ??

Dane - puede ser Hideki - (ninja con ropa verde)

Dilan - Pablito

Donn - Wilfredo

Dugal - Jeremías

Eileen - Espe

Elishah - Nadir

Emmy - Pina

Guy - Kenji

Harper - !!! la rubia con ropa anaranjada (puede ser Marcela)

Kawika - Esaú

Kellyn - Jofre

Kiera - Fernanda

Leilani - Luana

Leticia - Favia

Maika - Anna

Matthew - Tico

Meredyth - Landria

Meri - Saray

Michelle - Ceci

Mireille - Micaela

Perdita - Clodovea

Polly - Eloísa

Reade - Florentín

Reika - Mariluz

Reggie - !!! gorra azul (puede ser Rober?)

Rita !!! la rubia con ropa anaranjada (puede ser Marcela)

Roy - Aimar

Ryuki - ??

Samuel - Rober?? (solo lo vi una vez)

Seamus - Feliciano

Shayne - Fede

Teena - Eider

Troye - ?

192
User profile pic

Thank you for your help! To help more people, we've added a new page with names for every language.

3
User profile pic

I have posted some missing info on the Gamer Guides discord's BDSP section, but if I should post it here instead give me a heads up!

Edit: When I come here to write a new message, the textbox says that this would be the first comment on the page; however there already are a couple of them. Is this something that's possible to look into?

1
User profile pic

Ich finde es schade das manche Namen englische Schreibweise nicht mit dem Spiel bei einstimmen dass man die NPC nicht genau zuordnen kann

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Guide Information
  • Publisher
    Pokemon Company International
  • Platforms,
    Switch
  • Genre
    RPG
  • Guide Release
    29 October 2021
  • Last Updated
    23 April 2022
  • Guide Author

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This strategy guide for Pokémon Brilliant Diamond & Shining Pearl contains all the information Pokémon trainers will need to complete the game and catch every single Pokémon!

In this remake of the classic Pokémon Diamond & Pearl, you’ll journey through the mystical Sinnoh region to become a Pokémon master. Along the way, you’ll confront the scheming Team Galactic and witness the awesome power of the Legendary Dialga or Palkia.

Currently included in our guide:

The following will be available via free updates to our guide:

  • A complete walkthrough of the main story and postgame.
  • A full guide for Super Contest Shows.
    • How to cook the best quality Poffins.
  • Explanation of advanced mechanics, such as IVs and EVs.
  • A detailed Sinnoh region Pokédex.

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