#091 CloysterAll 251 Pokémon#093 Haunter

Gengar’s Pokédex · Kanto · Generation I

#092 Gastly

GhostPoison

  • SpeciesGas Pokémon
  • Japanese nameGhos
  • PronunciationGAST-LEE
  • Height4′ 3″ 1.30 m
  • Weight0.2 lb 0.09 kg
  • Gender♂ 50% · ♀ 50%
Gastly official artwork

PokédexWhere to findType matchupsMovesBreedingStats

Name meaning

Combination of GAS and GHASTLY (note spelling) meaning “horrifying”. “Horrifying gas creature”

Evolution

  1. GastlyLevel 25HaunterLink Cable TradeGengar
Gastly in the original Gengar’s Pokédex
Gastly as it appeared in the original Gengar’s Pokédex

Pokédex entries

RedBlue Almost invisible, this gaseous POKEMON cloaks the target and puts it to sleep without notice.
Yellow Said to appear in decrepit, deserted buildings. It has no real shape as it appears to be made out of gas.
Stadium Made of a thin, gas-like substance that induces fainting if you get enshrouded in it. Will not appear if it is very windy.
GoldStadium 2 With its gas-like body, it can sneak into any place it desires. However, it can be blown away by the wind.
Silver Its thin body is made of gas. It can envelop an opponent of any size and cause suffocation.
Crystal It wraps its opponent in its gas-like body, slowly weakening its prey by poisoning it through the skin.

Where to find Gastly

Game Where to find it Time Rarity
Blue Lavender Town (Pokémon Tower) NA Many
Red NA Many
Yellow NA Many
Gold Sprout Tower 2F-3F, Tin Tower 2F-9F Night Many
Silver Night Many
Crystal Sprout Tower 2F-3F, Tin Tower 2F-9F, Routes 31, 32, 36 Night Many; Few in R31 & R32

How to catch

Ground Surf Fishing Forest Tree Mountain Tree Rock Smash Breed Evolve Event BugCatch Game Corner
R/B ✓
Yellow ✓
G/S ✓ ✓
Crystal ✓ ✓

✓ marks how you can get it in each game. Shaded boxes are methods that didn’t exist in that game.

Type matchups

Defence: damage taken from each attack type

  • Normal×0
  • Fire×1
  • Water×1
  • Electric×1
  • Grass×0.5
  • Ice×1
  • Fighting×0
  • Poison×0.25
  • Ground×2
  • Flying×1
  • Psychic×2
  • Bug×0.25
  • Rock×1
  • Ghost×2
  • Dragon×1
  • Dark×2
  • Steel×1
  • Gold, Silver & Crystal: 4 weaknesses and 5 resistances out of 17 types. Defence ratio 4 : 5 (80%).
  • Red, Blue & Yellow: 3 weaknesses and 5 resistances out of 15 types. Defence ratio 3 : 5 (60%).
  • This Pokémon has more weaknesses in GSC than RBY, thus in RBY it has a better defense ratio.

Offence: same-type attacks against each type

  • Normal1st: No Effect 2nd: Normal
  • Fire1st: Normal 2nd: Normal
  • Water1st: Normal 2nd: Normal
  • Electric1st: Normal 2nd: Normal
  • Grass1st: Normal 2nd: Good
  • Ice1st: Normal 2nd: Normal
  • Fighting1st: Normal 2nd: Normal
  • Poison1st: Normal 2nd: Bad
  • Ground1st: Normal 2nd: Bad
  • Flying1st: Normal 2nd: Normal
  • Psychic1st (GSC): Good 2nd (GSC): Normal 1st (RBY): No Effect 2nd (RBY): Normal
  • Bug1st (GSC): Normal 2nd (GSC): Normal 1st (RBY): Normal 2nd (RBY): Good
  • Rock1st: Normal 2nd: Bad
  • Ghost1st: Good 2nd: Bad
  • Dragon1st: Normal 2nd: Normal
  • Dark1st: Bad 2nd: Normal
  • Steel1st: Bad 2nd: No Effect
  • Gold, Silver & Crystal: 3 advantages and 8 disadvantages out of 34 types. Offensive ratio 3:8 (37.5%).
  • Red, Blue & Yellow: 3 advantages and 6 disadvantages out of 30 types. Offensive ratio 1:2 (50%).

Moves learned by levelling up

R/B/Y G/S/C Move Type Kind
27 Start Hypnosis Psychic Status
Start Start Lick Ghost Physical
— 8 Spite Ghost Status
— 13 Mean Look Normal Status
— 16 Curse ??? Status
Start 21 Night Shade Ghost Physical
Start 28 Confuse Ray Ghost Status
35 33 Dream Eater Psychic Special
— 36 Destiny Bond Ghost Status

“Start” means it knows the move from level 1; a dash means it doesn’t learn the move by levelling up in that game.

Move Tutor Crystal

  • Thunderbolt

TMs & HMs Gold, Silver & Crystal

  • TM03Curse
  • TM06Toxic
  • TM07Zap Cannon
  • TM09Psych Up
  • TM10Hidden Power
  • TM11Sunny Day
  • TM13Snore
  • TM17Protect
  • TM18Rain Dance
  • TM19Giga Drain
  • TM20Endure
  • TM21Frustration
  • TM25Thunder
  • TM27Return
  • TM29Psychic
  • TM30Shadow Ball
  • TM32Double Team
  • TM34Swagger
  • TM35Sleep Talk
  • TM42Dream Eater
  • TM44Rest
  • TM45Attract
  • TM46Thief
  • TM50Nightmare

TMs & HMs Red, Blue & Yellow

  • TM06Toxic
  • TM20Rage
  • TM21Mega Drain
  • TM24Thunderbolt
  • TM25Thunder
  • TM29Psychic
  • TM31Mimic
  • TM32Double Team
  • TM34Bide
  • TM36Self Destruct
  • TM42Dream Eater
  • TM44Rest
  • TM46Psywave
  • TM47Explosion
  • TM50Substitute
Advertisement

Breeding Gold, Silver & Crystal

Egg groups Indeterminate Pokémon group 6

Compatible Pokémon

Egg moves

Move How to pass it down
Haze Mate with a male Koffing/Weezing.
Perish Song Mate with a male Misdreavus.
Psywave Mate with a male Misdreavus.

Stats

Stat Base Range at Lv. 100 G/S/C rank R/B/Y rank
HP 30 233-263 42/4510.60% 39/4210.60%
Attack 35 138-168 43/498.88% 40/457.38%
Defense 30 128-158 49/559.68% 40/447.38%
Speed 80 228-258 17/4769.15% 16/4265.54%
Special Attack G/S/C 100 268-298 10/4689.41% —
Special Defense G/S/C 35 138-168 37/4110.60% —
Special R/B/Y 100 268-298 — 9/2985.28%
Total 310 G/S/C
275 R/B/Y
1133-1313
995-1145
62/8715.87% 45/6519.80%

Ranges are the lowest and highest the stat can be at level 100. Ranks compare the base stat with every other Pokémon in those games (1 is the highest), with its percentile underneath.

Restored from Gengar’s Online Pokédex v4.2, one of the first Pokédexes on the web, created by Curtis Alumbaugh (Gengar) with Ian Alumbaugh (Haunter) and kept by Pokémon Dungeon. How to read this page · Red, Blue & Yellow moves · The Library