| Goldenrod Underground | Trainers | Items |
| North Exit: Goldenrod City South Exit: Goldenrod City
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| Area Anchors | |||||||||
| 1F | 2F | 3F | |||||||
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| Anchors | Gold/Silver | Crystal |
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| Super Nerd Eric | Grimer | Grimer |
| Battle Type Single Battle |
Level 11 | Level 11 |
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| PokéManiac Isaac | Lickitung |
| Battle Type Single Battle |
Level 12 |
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| Super Nerd Teru | Magnemite | Voltorb | Magnemite | Magnemite |
| Battle Type Single Battle |
Level 7 | Level 11 | Level 7 | Level 9 |
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| PokéManiac Donald | Slowpoke | Slowpoke |
| Battle Type Single Battle |
Level 10 | Level 10 |
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| Super Nerd Eric | Grimer | Grimer |
| Battle Type Single Battle |
Level 11 | Level 11 |
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| PokéManiac Isaac | Lickitung |
| Battle Type Single Battle |
Level 12 |
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| Super Nerd Teru | Magnemite | Voltorb | Magnemite | Magnemite |
| Battle Type Single Battle |
Level 7 | Level 11 | Level 7 | Level 9 |
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| PokéManiac Donald | Slowpoke | Slowpoke |
| Battle Type Single Battle |
Level 10 | Level 10 |
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| Item | Method |
| Coincase | Floor |
| Super Potion | Itemfinder |
| Paralyze Heal | Itemfinder |
| Antidote | Itemfinder |
| Anchors | Gold/Silver | Crystal |
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| Rival Silver | Golbat | Magnemite | Haunter | Sneasel | Meganium |
| Battle Type Single Battle |
Level 30 | Level 28 | Level 30 | Level 32 | Level 32 |
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| Totodile Chosen |
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| Rival Silver | Golbat | Magnemite | Haunter | Sneasel | Quilava |
| Battle Type Single Battle |
Level 30 | Level 28 | Level 30 | Level 32 | Level 32 |
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| Chikorita Chosen |
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| Rival Silver | Golbat | Magnemite | Haunter | Sneasel | Feraligatr |
| Battle Type Single Battle |
Level 30 | Level 28 | Level 30 | Level 32 | Level 32 |
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| Cyndaquil Chosen |
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| Rocket Grunt | Rattata |
| Battle Type Single Battle |
Level 27 |
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| Rocket Grunt | Muk | Koffing | Rattata |
| Battle Type Single Battle |
Level 23 | Level 23 | Level 25 |
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| Rocket Grunt | Koffing | Muk |
| Battle Type Single Battle |
Level 24 | Level 24 |
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| Burglar Eddie | Growlithe | Koffing |
| Battle Type Single Battle |
Level 24 | Level 24 |
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| Burglar Duncan | Koffing | Magmar | Koffing |
| Battle Type Single Battle |
Level 23 | Level 25 | Level 23 |
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| Rocket Grunt | Gloom | Gloom |
| Battle Type Single Battle |
Level 25 | Level 25 |
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| Rival Silver | Golbat | Magnemite | Haunter | Sneasel | Meganium |
| Battle Type Single Battle |
Level 30 | Level 28 | Level 30 | Level 32 | Level 32 |
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| Totodile Chosen |
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| | | |  |
| Rival Silver | Golbat | Magnemite | Haunter | Sneasel | Quilava |
| Battle Type Single Battle |
Level 30 | Level 28 | Level 30 | Level 32 | Level 32 |
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| Chikorita Chosen |
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| | | |  |
| Rival Silver | Golbat | Magnemite | Haunter | Sneasel | Feraligatr |
| Battle Type Single Battle |
Level 30 | Level 28 | Level 30 | Level 32 | Level 32 |
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| Cyndaquil Chosen |
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| Rocket Grunt | Rattata |
| Battle Type Single Battle |
Level 27 |
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| Rocket Grunt | Muk | Koffing | Rattata |
| Battle Type Single Battle |
Level 23 | Level 23 | Level 25 |
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| Rocket Grunt | Koffing | Muk |
| Battle Type Single Battle |
Level 24 | Level 24 |
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| Burglar Eddie | Growlithe | Koffing |
| Battle Type Single Battle |
Level 26 | Level 24 |
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|  | |
| Burglar Duncan | Koffing | Magmar | Koffing |
| Battle Type Single Battle |
Level 23 | Level 25 | Level 23 |
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| Rocket Grunt | Gloom | Gloom |
| Battle Type Single Battle |
Level 25 | Level 25 |
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| Item | Method |
| Amulet Coin | Floor |
| Ultra ball | Floor |
| Ether | Floor |
| Burn Heal | Floor |
| Anchors | Gold/Silver | Crystal |
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| Rocket Grunt | Raticate | Golbat |
| Battle Type Single Battle |
Level 24 | Level 24 |
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|  |
| Rocket Grunt | Grimer | Weezing |
| Battle Type Single Battle |
Level 26 | Level 23 |
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| Rocket Grunt | Koffing | Koffing |
| Battle Type Single Battle |
Level 25 | Level 25 |
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| Rocket Grunt | Raticate | Golbat |
| Battle Type Single Battle |
Level 24 | Level 24 |
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|  |
| Rocket Grunt | Grimer | Weezing |
| Battle Type Single Battle |
Level 26 | Level 23 |
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| Rocket Grunt | Koffing | Koffing |
| Battle Type Single Battle |
Level 25 | Level 25 |
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| Item | Method |
| Max Ether | Floor |
| TM235 - Sleep Talk | Floor |
| Card Key | Gift from Manager |
| Revive | Itemfinder |
| Max Potion | Itemfinder |
| Smoke ball | Floor |
| Full Heal | Floor |