Encounter locations
Kanto · 19 encounter records
| Location | Method | Level |
|---|---|---|
| Five Island Lost Cave Room 1 | Walking | 38–40 |
| Five Island Lost Cave Room 10 | Walking | 38–40 |
| Five Island Lost Cave Room 11 | Walking | 40 |
| Five Island Lost Cave Room 12 | Walking | 40 |
| Five Island Lost Cave Room 13 | Walking | 40 |
| Five Island Lost Cave Room 14 | Walking | 40 |
| Five Island Lost Cave Room 2 | Walking | 38–40 |
| Five Island Lost Cave Room 3 | Walking | 38–40 |
| Five Island Lost Cave Room 4 | Walking | 38–40 |
| Five Island Lost Cave Room 5 | Walking | 38–40 |
| Five Island Lost Cave Room 6 | Walking | 38–40 |
| Five Island Lost Cave Room 7 | Walking | 38–40 |
| Five Island Lost Cave Room 8 | Walking | 38–40 |
| Five Island Lost Cave Room 9 | Walking | 38–40 |
| Pokémon Tower 3F | Walking | 13–19 |
| Pokémon Tower 4F | Walking | 13–19 |
| Pokémon Tower 5F | Walking | 13–19 |
| Pokémon Tower 6F | Walking | 14–19 |
| Pokémon Tower 7F | Walking | 15–19 |
Hoenn · 2 encounter records
| Location | Method | Level |
|---|---|---|
| Mt. Pyre | Overworld swarmOnly while this swarm is active | — |
| Route 122 | Overworld swarmOnly while this swarm is active | — |
Sinnoh · 35 encounter records
| Location | Method | Level |
|---|---|---|
| Eterna Forest | WalkingBefore National Dex | 13 |
| Eterna Forest | WalkingNational Dex obtained | 13 |
| Old Chateau | Overworld swarmOnly while this swarm is active | — |
| Old Chateau | Walking | 14–17 |
| Old Chateau Back East Room | Walking | 14–17 |
| Old Chateau Back Middle East Room | WalkingBefore National Dex | 14–17 |
| Old Chateau Back Middle East Room | WalkingNational Dex obtained | 14–17 |
| Old Chateau Back Middle Room | Walking | 14–17 |
| Old Chateau Back Middle West Room | Walking | 14–17 |
| Old Chateau Back West Room | Walking | 14–17 |
| Old Chateau Corridor | Walking | 14–17 |
| Old Chateau Dining Area | Walking | 14–17 |
| Old Chateau Side Rooms | Walking | 14–17 |
| Route 209 | Overworld swarmOnly while this swarm is active | — |
| Route 209 Lost Tower 1F | Walking | 17–20 |
| Route 209 Lost Tower 2F | Walking | 17–20 |
| Route 209 Lost Tower 3F | Walking | 18–21 |
| Route 209 Lost Tower 4F | WalkingBefore National Dex | 18–21 |
| Route 209 Lost Tower 4F | WalkingNational Dex obtained | 18–21 |
| Route 209 Lost Tower 5F | WalkingBefore National Dex | 19–22 |
| Route 209 Lost Tower 5F | WalkingNational Dex obtained | 19–22 |
| Sendoff Spring | Overworld swarmOnly while this swarm is active | — |
| Turnback Cave | Overworld swarmOnly while this swarm is active | — |
| Turnback Cave Pillar 1 Room 1 | WalkingBefore National Dex | 15–17 |
| Turnback Cave Pillar 1 Room 1 | WalkingNational Dex obtained | 15–17 |
| Turnback Cave Pillar 1 Room 2 | WalkingBefore National Dex | 15–17 |
| Turnback Cave Pillar 1 Room 2 | WalkingNational Dex obtained | 15–17 |
| Turnback Cave Pillar 1 Room 3 | WalkingBefore National Dex | 15–17 |
| Turnback Cave Pillar 1 Room 3 | WalkingNational Dex obtained | 15–17 |
| Turnback Cave Pillar 1 Room 4 | WalkingBefore National Dex | 15–17 |
| Turnback Cave Pillar 1 Room 4 | WalkingNational Dex obtained | 15–17 |
| Turnback Cave Pillar 1 Room 5 | WalkingBefore National Dex | 15–17 |
| Turnback Cave Pillar 1 Room 5 | WalkingNational Dex obtained | 15–17 |
| Turnback Cave Pillar 1 Room 6 | WalkingBefore National Dex | 15–17 |
| Turnback Cave Pillar 1 Room 6 | WalkingNational Dex obtained | 15–17 |
Johto · 12 encounter records
| Location | Method | Level |
|---|---|---|
| Bell Tower 10F | WalkingNight | 20–22 |
| Bell Tower 2F | WalkingNight | 20–22 |
| Bell Tower 3F | WalkingNight | 20–22 |
| Bell Tower 4F | WalkingNight | 20–22 |
| Bell Tower 5F | WalkingNight | 20–22 |
| Bell Tower 6F | WalkingNight | 20–22 |
| Bell Tower 7F | WalkingNight | 20–22 |
| Bell Tower 8F | WalkingNight | 20–22 |
| Bell Tower 9F | WalkingNight | 20–22 |
| Burned Tower | Overworld swarmOnly while this swarm is active | — |
| Sprout Tower 2F | WalkingNight | 3–6 |
| Sprout Tower 3F | WalkingNight | 3–6 |
This Pokémon is eligible for Mirage Rifts. Each opening rolls its own pool, so check active portals on the Town Map.
Check the Town Map to see which swarms are active.
This guide covers documented encounter tables and selected story events. Other scripted gifts or events may also award this Pokémon.
Natures
Randomly generated Pokémon can have any of the 25 natures. Twenty raise one stat by 10% and lower another by 10%. Five are neutral. HP stays the same.
View all 25 natures and stat effects
| Nature | Raises (+10%) | Lowers (−10%) |
|---|---|---|
| Hardy | — | — |
| Lonely | Attack | Defense |
| Brave | Attack | Speed |
| Adamant | Attack | Special Attack |
| Naughty | Attack | Special Defense |
| Bold | Defense | Attack |
| Docile | — | — |
| Relaxed | Defense | Speed |
| Impish | Defense | Special Attack |
| Lax | Defense | Special Defense |
| Timid | Speed | Attack |
| Hasty | Speed | Defense |
| Serious | — | — |
| Jolly | Speed | Special Attack |
| Naive | Speed | Special Defense |
| Modest | Special Attack | Attack |
| Mild | Special Attack | Defense |
| Quiet | Special Attack | Speed |
| Bashful | — | — |
| Rash | Special Attack | Special Defense |
| Calm | Special Defense | Attack |
| Gentle | Special Defense | Defense |
| Sassy | Special Defense | Speed |
| Careful | Special Defense | Special Attack |
| Quirky | — | — |
Stats and abilities
- HP
- 30
- Attack
- 35
- Defense
- 30
- Sp. Attack
- 100
- Sp. Defense
- 35
- Speed
- 80
Abilities · Levitate
Size · 1.3 m · 0.1 kg
Evolution and forms
- Into Haunter · Level 25
Level-up moves
View level-up moves for Gastly
| Level | Move |
|---|---|
| 1 | Confuse Ray |
| 1 | Lick |
| 4 | Hypnosis |
| 8 | Mean Look |
| 12 | Payback |
| 16 | Spite |
| 20 | Curse |
| 24 | Hex |
| 28 | Night Shade |
| 32 | Sucker Punch |
| 36 | Dark Pulse |
| 40 | Shadow Ball |
| 44 | Destiny Bond |
| 48 | Dream Eater |