Gastly
#58 in the Crystal Pokédex • Gas Pokémon
Pokémon Crystal
It wraps its op ponent in its gas- like body, slowly weakening its prey by poisoning it through the skin.
Pokédexes
Egg Group
Steps to Hatch
Effort Values Yielded
Gender Ratio
Capture Rate
Base Experience
| Pokémon | Requires | Evolution |
|---|---|---|
 Gastly #58 | Level 25 |  Haunter #59 |
Haunter #59 | Trade |  Gengar #60 |
Pokémon Crystal
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Route 31 Road 31 | Walking in tall grass or a cave | 5 | 4% | At night |
Route 31 Road 31 | Walking in tall grass or a cave | 5 | 1% | At night |
Sprout Tower Sprout Tower (2F) | Walking in tall grass or a cave | 3 | 30% | At night |
Sprout Tower Sprout Tower (2F) | Walking in tall grass or a cave | 4 | 30% | At night |
Sprout Tower Sprout Tower (2F) | Walking in tall grass or a cave | 5 | 20% | At night |
Sprout Tower Sprout Tower (2F) | Walking in tall grass or a cave | 6 | 5% | At night |
Sprout Tower Sprout Tower (3F) | Walking in tall grass or a cave | 3 | 30% | At night |
Sprout Tower Sprout Tower (3F) | Walking in tall grass or a cave | 4 | 30% | At night |
Sprout Tower Sprout Tower (3F) | Walking in tall grass or a cave | 5 | 20% | At night |
Sprout Tower Sprout Tower (3F) | Walking in tall grass or a cave | 6 | 5% | At night |
Route 32 Road 32 | Walking in tall grass or a cave | 7 | 4% | At night |
Route 32 Road 32 | Walking in tall grass or a cave | 7 | 1% | At night |
Route 36 Road 36 | Walking in tall grass or a cave | 5 | 4% | At night |
Route 36 Road 36 | Walking in tall grass or a cave | 5 | 1% | At night |
Bell Tower Bell Tower (2F) | Walking in tall grass or a cave | 20 | 30% | At night |
Bell Tower Bell Tower (2F) | Walking in tall grass or a cave | 21 | 30% | At night |
Bell Tower Bell Tower (2F) | Walking in tall grass or a cave | 22 | 20% | At night |
Bell Tower Bell Tower (3F) | Walking in tall grass or a cave | 20 | 30% | At night |
Bell Tower Bell Tower (3F) | Walking in tall grass or a cave | 21 | 30% | At night |
Bell Tower Bell Tower (3F) | Walking in tall grass or a cave | 22 | 20% | At night |
Bell Tower Bell Tower (4F) | Walking in tall grass or a cave | 20 | 30% | At night |
Bell Tower Bell Tower (4F) | Walking in tall grass or a cave | 21 | 30% | At night |
Bell Tower Bell Tower (4F) | Walking in tall grass or a cave | 22 | 20% | At night |
Bell Tower Bell Tower (5F) | Walking in tall grass or a cave | 20 | 30% | At night |
Bell Tower Bell Tower (5F) | Walking in tall grass or a cave | 21 | 30% | At night |
Bell Tower Bell Tower (5F) | Walking in tall grass or a cave | 22 | 20% | At night |
Bell Tower Bell Tower (6F) | Walking in tall grass or a cave | 20 | 30% | At night |
Bell Tower Bell Tower (6F) | Walking in tall grass or a cave | 21 | 30% | At night |
Bell Tower Bell Tower (6F) | Walking in tall grass or a cave | 22 | 20% | At night |
Bell Tower Bell Tower (7F) | Walking in tall grass or a cave | 20 | 30% | At night |
Bell Tower Bell Tower (7F) | Walking in tall grass or a cave | 21 | 30% | At night |
Bell Tower Bell Tower (7F) | Walking in tall grass or a cave | 22 | 20% | At night |
Bell Tower Bell Tower (8F) | Walking in tall grass or a cave | 20 | 30% | At night |
Bell Tower Bell Tower (8F) | Walking in tall grass or a cave | 21 | 30% | At night |
Bell Tower Bell Tower (8F) | Walking in tall grass or a cave | 22 | 20% | At night |
Bell Tower Bell Tower (9F) | Walking in tall grass or a cave | 20 | 30% | At night |
Bell Tower Bell Tower (9F) | Walking in tall grass or a cave | 21 | 30% | At night |
Bell Tower Bell Tower (9F) | Walking in tall grass or a cave | 22 | 20% | At night |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Hypnosis |  |  Status | - | 60 | 20 | May put the foe to sleep. |
| Start | Lick |  |  Physical | 20 | 100 | 30 | An attack that may cause paralysis. |
| 8 | Spite | | Status | - | 100 | 10 | Cuts the PP of the foe's last move. |
| 13 | Mean Look |  | Status | - | - | 5 | Prevents fleeing or switching. |
| 16 | Curse |  | Status | - | - | 10 | Works differently for ghost-types. |
| 21 | Night Shade | |  Special | - | 100 | 15 | The user's level equals damage HP. |
| 28 | Confuse Ray | | Status | - | 100 | 10 | A move that causes confusion. |
| 33 | Dream Eater | | Special | 100 | 100 | 15 | Steals HP from a sleeping victim. |
| 36 | Destiny Bond | | Status | - | - | 5 | The foe faints if the user does. |
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Haze |  | Status | - | - | 30 | Eliminates all stat changes. |
| Perish Song | | Status | - | - | 5 | Both user and foe faint in 3 turns. |
| Psywave | | Special | - | 80 | 15 | An attack with variable power. |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM03 | Curse | | Status | - | - | 10 | Works differently for ghost-types. |
| TM06 | Toxic |  | Status | - | 85 | 10 | A poison move with increasing damage. |
| TM07 | Zap Cannon |  | Special | 100 | 50 | 5 | An attack that always paralyzes. |
| TM09 | Psych Up | | Status | - | - | 10 | Copies the foe's stat changes. |
| TM10 | Hidden Power | | Special | 1 | 100 | 15 | The power varies with the Pokémon. |
| TM11 | Sunny Day |  | Status | - | - | 5 | Boosts fire-type moves for 5 turns. |
| TM13 | Snore | | Special | 40 | 100 | 15 | An attack useable only while asleep. |
| TM17 | Protect | | Status | - | - | 10 | Foils attack that turn. It may fail. |
| TM18 | Rain Dance |  | Status | - | - | 5 | Boosts water-type moves for 5 turns. |
| TM19 | Giga Drain |  | Special | 75 | 100 | 5 | Steals 1/2 of the damage inflicted. |
| TM20 | Endure | | Status | - | - | 10 | Always leaves at least 1HP. |
| TM21 | Frustration | | Physical | - | 100 | 20 | An attack based on lack of loyalty. |
| TM25 | Thunder | | Special | 120 | 70 | 10 | An attack that may cause paralysis. |
| TM27 | Return | | Physical | - | 100 | 20 | An attack that is based on loyalty. |
| TM29 | Psychic | | Special | 90 | 100 | 10 | An attack that may lower SPCL.DEF. |
| TM30 | Shadow Ball | | Special | 80 | 100 | 15 | An attack that may lower SPCL.DEF. |
| TM32 | Double Team | | Status | - | - | 15 | Heightens evasive ness. |
| TM34 | Swagger | | Status | - | 90 | 15 | Causes confusion and raises ATTACK. |
| TM35 | Sleep Talk | | Status | - | - | 10 | Randomly attacks while asleep. |
| TM42 | Dream Eater | | Special | 100 | 100 | 15 | Steals HP from a sleeping victim. |
| TM44 | Rest | | Status | - | - | 5 | Sleep for 2 turns to fully recover. |
| TM45 | Attract | | Status | - | 100 | 15 | Makes the opposite gender infatuated. |
| TM46 | Thief |  | Physical | 40 | 100 | 10 | An attack that may steal a held item. |
| TM50 | Nightmare | | Status | - | 100 | 15 | A sleeper loses 1/4 HP every turn. |
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Thunderbolt | | Special | 95 | 100 | 15 | An attack that may cause paralysis. |