Physical
Attacker
80Speed · Above Avg

Stats & Training

Nothing fancy in Gastly's spread. It leans special with Sp. Atk out front. And you'll get 1 Sp. Atk stat exp per KO for it. Follows a 1.06M XP medium-slow curve.

Base Stats
Avg
HP30
F
Attack35
F
Defense30
F
Sp. Atk100
B
Sp. Def35
F
Speed80
C
Total310
Details
Catch Rate
Easy190 / 255
Growth Rate
Medium Slow1.06M XP
Height1.3 m
Weight0.1 kg
Base XP62
Abilities
Abilities were introduced in Generation III. Shown below for reference.
Levitate
Evades ground moves.
Levitate grants Ground immunity
EV Yield
HPAtkDefSpA+1SpDSpe
Special Attack training source
Pokedex Entries

It wraps its opponent in its gas-like body, slowly weakening its prey by poisoning it through the skin.

Crystal

Gastly Weakness

Gastly is weak to Ground, Psychic, Ghost, and Dark. On the flip side, it's immune to Normal and Fighting-type moves entirely. Gastly leans toward special offense (base 100 Sp.Atk) instead of trying to wall anything.

Gastly Weakness and Resistance Chart
DamageTypes
2x (Weak)Ground, Psychic, Ghost, Dark
0.5x (Resist)Grass
0.25x (Resist)Poison, Bug
0x (Immune)Normal, Fighting
Type ChartGood
4Weak
3Resist
2Immune
Score+3
Gen II Type Chart
  • Dark and Steel types added — Fairy does not exist yet
  • Moves are Physical or Special based on type, not per move
  • Special stat split into Sp.Atk and Sp.Def
4xCritical
None
½xResist
¼xResist
How to Beat Gastly in Crystal (Best Counters)
Quagsire
Quagsire
WaterGround
C
TM Move
Moves
  • Mud-SlapTM31
Damage vs Gastly
Mud-Slap 2x
46-56%
View Quagsire builds →

Crystal Evolution

Gastly kicks off a three-stage evolution line through Haunter all the way to Gengar. For breeding, average hatch time with a small partner pool via one egg group. Evolving adds up to 190 stat points total. View every chain in the Evolution Chart.

How to Evolve

3 Forms
Stat Comparison 3 Stages
Gastly
GhostPoison
Haunter
GhostPoison
Gengar
GhostPoison
HP
30
45+15
60+15
ATK
35
50+15
65+15
DEF
30
45+15
60+15
SP.ATK
100
115+15
130+15
SP.DEF
35
55+20
75+20
SPE
80
95+15
110+15
BST
310C-Tier
405C-Tier+95
500A-Tier+95
ROLE
Attacker
Cannon
Sweeper
TYPE
Special
Special
Special

Breeding

Very Easy

Breed Gastly easily with 11 breeding partners from the Indeterminate egg group. Pass egg moves like Haze, Perish Song, Psywave to offspring.

Egg Groups
Indeterminate
Gender
50.0%50.0%
Hatch Time
20 cycles·5,140 steps
Quick~5 min with Flame Body
Egg Moves
3moves
Breed With (best first)
mukgengarweezingmagcargohaunterwobbuffetkoffinggrimerslugmamisdreavus

Crystal Gastly Best Moveset

Best Build

Gen 2 build content has limited support (no abilities).

Try selecting a different game/generation filter, or check back later.

Moves

Egg moves make a real difference. Gastly gets Haze and Perish Song exclusively through breeding, filling gaps that TMs and level-up can't touch. Psychic and Normal coverage and more rounds out the picture alongside Shadow Ball and Lick.

Level-Up Moves

Lv 1
Hypnosis
C6020Psychic
Lv 1
Lick
2010030Ghost
Lv 8
Spite
10010Ghost
Lv 13
Mean Look
D5Normal
Lv 16
Curse
C10Ghost
Lv 21
Night Shade
10015Ghost
Lv 28
Confuse Ray
C10010Ghost
Lv 33
Dream Eater
10010015Psychic
Lv 36
Destiny Bond
D5Ghost

TM Moves

TM
TM45
Attract
D10015Normal
TM03
Curse
C10Ghost
TM32
Double Team
15Normal
TM42
Dream Eater
10010015Psychic
TM20
Endure+4
D10Normal
TM21
Frustration
D10020Normal
TM19
Giga Drain
C751005Grass
TM10
Hidden Power
6010015Normal
TM50
Nightmare
10015Ghost
TM17
Protect+4
C10Normal
TM09
Psych Up
D10Normal
TM29
Psychic
C9010010Psychic
TM18
Rain Dance
C5Water
TM44
Rest
C10Psychic
TM27
Return
D10020Normal
TM30
Shadow Ball
B8010015Ghost
TM35
Sleep Talk
C10Normal
TM13
Snore
4010015Normal
TM11
Sunny Day
C5Fire
TM34
Swagger
C8515Normal
TM46
Thief
D6010025Dark
TM25
Thunder
C1207010Electric
TM06
Toxic
C8510Poison
TM07
Zap Cannon
C100505Electric

Egg Moves

Egg
Egg
Haze
C30Ice
Egg
Perish Song
D5Normal
Egg
Psywave
8015Psychic

Tutor Moves

Tut
Tutor
Thunderbolt
C9510015Electric

Crystal Gastly Locations

Gastly's scattered across 5 spots in early-game routes with high spawn rates. Check the list below for the closest location to wherever you are in the game. This one's quick.

Best Locations to Catch Gastly in Crystal

You can find Gastly through 5 walking encounters at Lv. 3-22. The list is sorted by game progression, so the earliest accessible spots show up first.

Sprout Tower
Grass Lv.3-6 Building
85%Early
Night
Route 31
Grass Lv.5 Route
5%Early
Night
Route 36
Grass Lv.5 Route
5%Early
Night
Route 32
Grass Lv.7 Route
5%Early
Night
Tin Tower - 2F-9F
Grass Lv.20-22 Building
80%Mid
Night

Gastly Guide

  • Gastly becomes Haunter at level 25, then Gengar by trading. Straight three-stage line with no branching.

  • Gastly evolves into Haunter at level 25. Takes some grinding. Plan your team around the mid-game wait.

  • In Crystal, For a casual playthrough, Gastly works as a placeholder. Ghost/Poison coverage is useful early. The real payoff is Haunter. That's where the stats start mattering.

  • Gastly is catchable in Crystal. Check the Locations section above for specific routes, encounter rates, and methods. It also appears in 21 other games across the series.

Game Availability

Present since Red & Blue, Gastly appears in 22 games spanning 10 generations. Gen 1 originals like Gastly have the longest track record of availability in the series.

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