Altering Cave
9 Pokémon can be caught at Altering Cave in Hoenn.
Altering Cave is an enigmatic cavern appearing in Pokémon FireRed, LeafGreen, and Emerald where only Zubat can be encountered. Its name refers to a planned Mystery Gift feature that would have changed its wild Pokémon via Wonder Spots, but the necessary data was never distributed.
Pokémon at Altering Cave
| Pokémon | Games | Method | Levels | Rarity |
|---|---|---|---|---|
 | Emerald | Walking | 18-28 | Common |
 | Emerald | Walking | 12-20 | Common |
 | Emerald | Walking | 3-13 | Common |
 | Emerald | Walking | 19-29 | Common |
 | Emerald | Walking | 18-28 | Common |
 | Emerald | Walking | 18-28 | Common |
 | Emerald | Walking | 18-28 | Common |
 | Emerald | Walking | 18-28 | Common |
 | Emerald | Walking | 6-16 | Common |