Haunter • Generation VIII Pokédex

Haunter
Pokédex Page for Haunter

This is the Marriland Pokédex page for Haunter, showing its information and moves in Pokémon Sword & Shield as well as Pokémon Brilliant Diamond & Shining Pearl.

To choose which version to view Haunter's moves and location information from, please use the toggle below, or use the toggles further down in the page.

Haunter

Haunter
Sprite of Haunter in Pokémon HOME

Haunter's Type

GHOST
POISON

Haunter's Pokédex #s

National #
93
Galar #
142
Armor #
--
Crown #
--
Sinnoh #
70

Haunter's Base Stats

HP:
45
Attack:
50
Defense:
45
Sp. Atk:
115
Sp. Def:
55
Speed:
95
Total:
405

Misc. Info

Height:
5'3" (1.6m)
Weight:
0.2 lbs. (0.1 kg)
Gender Ratio:
Egg Groups:
Amorphous
EXP At Lv. 100:
1,059,680
EV Yield:
2 Sp. Atk
Base EXP:
142
Catch Rate:
90
Base Happiness:
70

Haunter's Abilities

Here is what ability Haunter has, along with its effect.
Levitate
Haunter is unaffected by Ground-type moves, as well as Spikes, Toxic Spikes, Arena Trap, etc.

Weaknesses & Resistances

Below is a list of what Haunter's weakness and resistance is to various types.
GROUND
PSYCHIC
GHOST
DARK
½
GRASS
FAIRY
¼
POISON
BUG
immune
NORMAL
FIGHTING

Haunter's Evolution Line

Below you'll find a list of all Pokémon Haunter evolves from or into, along with its evolution method.
Gastly
Gastly
starting form
Haunter
Haunter
at level 25
Gengar
Gengar
upon trading

Haunter's Moves in Brilliant Diamond & Shining Pearl

Below is a list of all of the moves that Haunter can learn, along with what level it learns the move, the TM or TR number, and what egg moves it can learn, if any. Hover over a move (desktop/laptop) or click the ? button next to the move (mobile/tablet) to find out more about the move.

Level Up Moves

Here are all of the moves Haunter learns via level up. Anything marked "Evo." means it learns it upon evolving. If the level is 1, it can be relearned at a Pokémon Center.
Lv. Move Type Category Power Acc.% PP Target Info
Evo.
Shadow Punch
Doesn't miss the target.
GHOST
PHYSICAL
60 -- 20 One Target
1
Shadow Punch
Doesn't miss the target.
GHOST
PHYSICAL
60 -- 20 One Target
1
Lick
Has a 30% chance to paralyze the target.
GHOST
PHYSICAL
30 100% 30 One Target
1
Confuse Ray
Confuses the target.
GHOST
STATUS
-- 100% 10 One Target
1
Hypnosis
Puts the target to sleep.
PSYCHIC
STATUS
-- 60% 20 One Target
1
Mean Look
Prevents the target from fleeing or switching out.
NORMAL
STATUS
-- -- 5 One Target
12
Payback
Does double damage if Haunter attacks after the target.
DARK
PHYSICAL
50 100% 10 One Target
16
Spite
Lowers the target's PP of its last used move.
GHOST
STATUS
-- 100% 10 One Target
20
Curse
Takes 50% of Haunter's max HP to curse the last Pokémon to hit it, damaging the last Pokémon to hit it by 1/4 its max HP after each turn.
GHOST
STATUS
-- -- 10 Counter
24
Hex
Deals double damage if the target is affected by a major status condition.
GHOST
SPECIAL
65 100% 10 One Target
30
Night Shade
Does exact damage equal to Haunter's level.
GHOST
SPECIAL
varies 100% 15 One Target
36
Sucker Punch
Has +1 priority. Fails unless the target uses a damaging move.
DARK
PHYSICAL
70 100% 5 One Target
42
Dark Pulse
Has a 20% chance of causing the target to flinch.
DARK
SPECIAL
80 100% 15 One Target
48
Shadow Ball
20% chance of lowering the target's Sp. Def by one stage.
GHOST
SPECIAL
80 100% 15 One Target
54
Destiny Bond
If Haunter is knocked out before its next action, the attacking Pokémon is knocked out.
GHOST
STATUS
-- -- 5 User
60
Dream Eater
Heals Haunter by half the damage dealt. Fails unless foe is asleep.
PSYCHIC
SPECIAL
100 100% 15 One Target

TM Moves

Here are all of the moves that Haunter can learn via TM (Technical Machine). These moves can be taught an unlimited number of times once the TM is obtained.
TM Move Type Category Power Acc.% PP Target Info
TM03
Fire Punch
Has a 10% chance to burn the target.
FIRE
PHYSICAL
75 100% 15 One Target
TM04
Ice Punch
Has a 10% chance to freeze the target.
ICE
PHYSICAL
75 100% 15 One Target
TM05
Thunder Punch
Has a 10% chance to paralyze the target.
ELECTRIC
PHYSICAL
75 100% 15 One Target
TM20
Self-Destruct
Haunter is knocked out after using Self-Destruct.
NORMAL
PHYSICAL
200 100% 5 All But Self
TM21
Rest
Haunter restores its HP to full and falls asleep for two turns.
PSYCHIC
STATUS
-- -- 10 User
TM23
Thief
Damages the target and steals its held item.
DARK
PHYSICAL
60 100% 25 One Target
TM24
Snore
Can only be used while asleep. 30% chance of making the target flinch.
NORMAL
SPECIAL
50 100% 15 One Target
TM25
Protect
Protects Haunter from attacks for a turn. Low chance of working on consecutive turns.
NORMAL
STATUS
-- -- 10 User
TM26
Scary Face
Lowers the target's Speed by two stages.
NORMAL
STATUS
-- 100% 10 One Target
TM27
Icy Wind
100% chance of lowering all nearby enemies' Speed by one stage.
ICE
SPECIAL
55 95% 15 Nearby Enemies
TM28
Giga Drain
Heals Haunter by half the damage dealt.
GRASS
SPECIAL
75 100% 10 One Target
TM31
Attract
Infatuates Pokémon of the opposite gender.
NORMAL
STATUS
-- 100% 15 One Target
TM33
Rain Dance
Changes the weather to rainy for 5 turns.
WATER
STATUS
-- -- 5 Entire Field
TM34
Sunny Day
Changes the weather to sunny for 5 turns.
FIRE
STATUS
-- -- 5 Entire Field
TM38
Will-O-Wisp
Burns the target.
FIRE
STATUS
-- 85% 15 One Target
TM39
Facade
Does double damage if Haunter is poisoned, burned, or paralyzed.
NORMAL
PHYSICAL
70 100% 20 One Target
TM57
Payback
Does double damage if Haunter attacks after the target.
DARK
PHYSICAL
50 100% 10 One Target
TM59
Fling
Throws Haunter's held item. Type and power depend on the item.
DARK
PHYSICAL
varies 100% 10 One Target
TM65
Shadow Claw
Has a higher critical hit rate. (+1 stage.)
GHOST
PHYSICAL
70 100% 15 One Target
TM70
Trick Room
For the next 5 turns, turn order is reversed, so slower Pokémon go first. (Priority still functions as usual.)
PSYCHIC
STATUS
-- -- 5 Entire Field
TM71
Wonder Room
For the next 5 turns, all Pokémon's Defense and Special Defense stats are swapped.
PSYCHIC
STATUS
-- -- 10 Entire Field
TM74
Venoshock
Damage is doubled if the target is already poisoned.
POISON
SPECIAL
65 100% 10 One Target
TM76
Round
Deals double damage if Round has already been used and causes any other Pokémon using Round to use it immediately afterward.
NORMAL
SPECIAL
60 100% 15 One Target
TM77
Hex
Deals double damage if the target is affected by a major status condition.
GHOST
SPECIAL
65 100% 10 One Target

TR Moves

Here are all of the moves that Haunter can learn via TR (Technical Record). These moves can be taught only once per TR, but TRs can be obtained in the Wild Area and other locations.
TR Move Type Category Power Acc.% PP Target Info
TR08
Thunderbolt
Has a 10% chance to paralyze the target.
ELECTRIC
SPECIAL
90 100% 15 One Target
TR11
Psychic
10% chance of lowering the target's Sp. Def by one stage.
PSYCHIC
SPECIAL
90 100% 10 One Target
TR20
Substitute
Costs 25% of Haunter's max HP. Sets up a Substitute to block effects and damage.
NORMAL
STATUS
-- -- 10 User
TR22
Sludge Bomb
Has a 30% chance to poison the target.
POISON
SPECIAL
90 100% 10 One Target
TR26
Endure
Will survive any hit with at least 1 HP left this turn. 50% chance of working on consecutive turns.
NORMAL
STATUS
-- -- 10 User
TR27
Sleep Talk
Can only be used while asleep. Uses one of Haunter's moves at random.
NORMAL
STATUS
-- -- 10 User
TR30
Encore
Forces the target to use its recent move for a few turns.
NORMAL
STATUS
-- 100% 5 One Target
TR33
Shadow Ball
20% chance of lowering the target's Sp. Def by one stage.
GHOST
SPECIAL
80 100% 15 One Target
TR35
Uproar
Lose control for up to 5 turns. While the Uproar is active, no Pokémon can be asleep.
NORMAL
SPECIAL
90 100% 10 Random Enemy
TR37
Taunt
Prevents the target from using Status moves for the next few turns.
DARK
STATUS
-- 100% 20 One Target
TR38
Trick
Switches Haunter's held item with the target's.
PSYCHIC
STATUS
-- 100% 10 One Target
TR40
Skill Swap
Swaps Haunter's ability with the target's.
PSYCHIC
STATUS
-- -- 10 One Target
TR57
Poison Jab
Has a 30% chance to poison the target.
POISON
PHYSICAL
80 100% 20 One Target
TR58
Dark Pulse
Has a 20% chance of causing the target to flinch.
DARK
SPECIAL
80 100% 15 One Target
TR65
Energy Ball
10% chance of lowering the target's Sp. Def by one stage.
GRASS
SPECIAL
90 100% 10 One Target
TR78
Sludge Wave
Has a 10% chance to poison all nearby Pokémon.
POISON
SPECIAL
95 100% 10 All But Self
TR81
Foul Play
Foul Play uses the target's Attack stat instead of Haunter's to calculate damage.
DARK
PHYSICAL
95 100% 15 One Target
TR83
Ally Switch
Switches places with Haunter for the rest of the battle.
PSYCHIC
STATUS
-- -- 15 User
TR92
Dazzling Gleam
Damages all nearby enemies.
FAIRY
SPECIAL
80 100% 10 Nearby Enemies

Egg Moves

Here are all of the moves that Haunter can learn as Egg Moves. In the case of evolved Pokémon, it shows what Egg Moves it can learn in its lowest evolutionary stage. Click the word EGG to find compatible breeding Pokémon to get that Egg Move onto Haunter.
Move Type Category Power Acc.% PP Target Info
EGG
Perish Song
All Pokémon on the field are knocked out after 3 turns unless they switch out.
NORMAL
STATUS
-- -- 5 All Pokémon
EGG
Haze
Resets all stat, accuracy, and evasion modifiers.
ICE
STATUS
-- -- 30 Entire Field
EGG
Astonish
Has a 30% chance of causing the target to flinch.
GHOST
PHYSICAL
30 100% 15 One Target
EGG
Grudge
If Haunter is knocked out before its next action, the attacker loses all PP of the move it used.
GHOST
STATUS
-- -- 5 User
EGG
Disable
Disables the target's last used move for a few turns.
NORMAL
STATUS
-- 100% 20 One Target
EGG
Clear Smog
Removes any stat modifiers on the target.
POISON
SPECIAL
50 -- 15 One Target
EGG
Smog
Has a 40% chance to poison the target.
POISON
SPECIAL
30 70% 20 One Target
EGG
Reflect Type
Haunter changes its type to the target's.
NORMAL
STATUS
-- -- 15 One Target
EGG
Toxic
Badly poisons the target. 100% accuracy if used by a Poison-type Pokémon.
POISON
STATUS
-- 90% 10 One Target

Move Tutor Moves

Here are all of the moves that Haunter can learn from Move Tutors. Most of these require the Expansion Pass and can be found in the Isle of Armor's Dojo, costing some Armorite Ore to teach. However, there are a few moves that can be taught aside from this.
Move Type Category Power Acc.% PP Target Info
TUTOR
Corrosive Gas
Removes any held item the target is holding.
POISON
STATUS
-- 100% 40 One Target
TUTOR
Skitter Smack
100% chance of lowering the target's Sp. Atk by one stage.
BUG
PHYSICAL
70 90% 10 One Target
TUTOR
Poltergeist
Fails if the target is not holding an item.
GHOST
PHYSICAL
110 90% 5 One Target

Level Up Moves

Here are all of the moves Haunter learns via level up. Anything marked "Evo." means it learns it upon evolving. If the level is 1, it can be relearned at a Pokémon Center.
Lv. Move Type Category Power Acc.% PP Target Info
Evo.
Shadow Punch
Doesn't miss the target.
GHOST
PHYSICAL
60 -- 20 One Target
1
Shadow Punch
Doesn't miss the target.
GHOST
PHYSICAL
60 -- 20 One Target
1
Lick
Has a 30% chance to paralyze the target.
GHOST
PHYSICAL
30 100% 30 One Target
1
Confuse Ray
Confuses the target.
GHOST
STATUS
-- 100% 10 One Target
1
Hypnosis
Puts the target to sleep.
PSYCHIC
STATUS
-- 60% 20 One Target
1
Mean Look
Prevents the target from fleeing or switching out.
NORMAL
STATUS
-- -- 5 One Target
12
Payback
Does double damage if Haunter attacks after the target.
DARK
PHYSICAL
50 100% 10 One Target
16
Spite
Lowers the target's PP of its last used move.
GHOST
STATUS
-- 100% 10 One Target
20
Curse
Takes 50% of Haunter's max HP to curse the last Pokémon to hit it, damaging the last Pokémon to hit it by 1/4 its max HP after each turn.
GHOST
STATUS
-- -- 10 Counter
24
Hex
Deals double damage if the target is affected by a major status condition.
GHOST
SPECIAL
65 100% 10 One Target
30
Night Shade
Does exact damage equal to Haunter's level.
GHOST
SPECIAL
varies 100% 15 One Target
36
Sucker Punch
Has +1 priority. Fails unless the target uses a damaging move.
DARK
PHYSICAL
70 100% 5 One Target
42
Dark Pulse
Has a 20% chance of causing the target to flinch.
DARK
SPECIAL
80 100% 15 One Target
48
Shadow Ball
20% chance of lowering the target's Sp. Def by one stage.
GHOST
SPECIAL
80 100% 15 One Target
54
Destiny Bond
If Haunter is knocked out before its next action, the attacking Pokémon is knocked out.
GHOST
STATUS
-- -- 5 User
60
Dream Eater
Heals Haunter by half the damage dealt. Fails unless foe is asleep.
PSYCHIC
SPECIAL
100 100% 15 One Target

TM Moves

Here are all of the moves that Haunter can learn via TM (Technical Machine). These moves can be taught once per use of the TM.
TM Move Type Category Power Acc.% PP Target Info
TM06
Toxic
Badly poisons the target. 100% accuracy if used by a Poison-type Pokémon.
POISON
STATUS
-- 90% 10 One Target
TM11
Sunny Day
Changes the weather to sunny for 5 turns.
FIRE
STATUS
-- -- 5 Entire Field
TM12
Taunt
Prevents the target from using Status moves for the next few turns.
DARK
STATUS
-- 100% 20 One Target
TM17
Protect
Protects Haunter from attacks for a turn. Low chance of working on consecutive turns.
NORMAL
STATUS
-- -- 10 User
TM18
Rain Dance
Changes the weather to rainy for 5 turns.
WATER
STATUS
-- -- 5 Entire Field
TM19
Giga Drain
Heals Haunter by half the damage dealt.
GRASS
SPECIAL
75 100% 10 One Target
TM21
Dazzling Gleam
Damages all nearby enemies.
FAIRY
SPECIAL
80 100% 10 Nearby Enemies
TM24
Thunderbolt
Has a 10% chance to paralyze the target.
ELECTRIC
SPECIAL
90 100% 15 One Target
TM29
Psychic
10% chance of lowering the target's Sp. Def by one stage.
PSYCHIC
SPECIAL
90 100% 10 One Target
TM30
Shadow Ball
20% chance of lowering the target's Sp. Def by one stage.
GHOST
SPECIAL
80 100% 15 One Target
TM32
Double Team
Raises Haunter's Evasion by one stage.
NORMAL
STATUS
-- -- 15 User
TM36
Sludge Bomb
Has a 30% chance to poison the target.
POISON
SPECIAL
90 100% 10 One Target
TM41
Torment
Prevents the target from using the same move twice in a row.
DARK
STATUS
-- 100% 15 One Target
TM42
Facade
Does double damage if Haunter is poisoned, burned, or paralyzed.
NORMAL
PHYSICAL
70 100% 20 One Target
TM44
Rest
Haunter restores its HP to full and falls asleep for two turns.
PSYCHIC
STATUS
-- -- 10 User
TM45
Attract
Infatuates Pokémon of the opposite gender.
NORMAL
STATUS
-- 100% 15 One Target
TM46
Thief
Damages the target and steals its held item.
DARK
PHYSICAL
60 100% 25 One Target
TM48
Skill Swap
Swaps Haunter's ability with the target's.
PSYCHIC
STATUS
-- -- 10 One Target
TM53
Energy Ball
10% chance of lowering the target's Sp. Def by one stage.
GRASS
SPECIAL
90 100% 10 One Target
TM56
Fling
Throws Haunter's held item. Type and power depend on the item.
DARK
PHYSICAL
varies 100% 10 One Target
TM58
Endure
Will survive any hit with at least 1 HP left this turn. 50% chance of working on consecutive turns.
NORMAL
STATUS
-- -- 10 User
TM61
Will-O-Wisp
Burns the target.
FIRE
STATUS
-- 85% 15 One Target
TM64
Explosion
Haunter is knocked out after using Explosion.
NORMAL
PHYSICAL
250 100% 5 All But Self
TM65
Shadow Claw
Has a higher critical hit rate. (+1 stage.)
GHOST
PHYSICAL
70 100% 15 One Target
TM66
Payback
Does double damage if Haunter attacks after the target.
DARK
PHYSICAL
50 100% 10 One Target
TM77
Psych Up
Copies all stat modifiers on the target.
NORMAL
STATUS
-- -- 10 One Target
TM79
Dark Pulse
Has a 20% chance of causing the target to flinch.
DARK
SPECIAL
80 100% 15 One Target
TM82
Sleep Talk
Can only be used while asleep. Uses one of Haunter's moves at random.
NORMAL
STATUS
-- -- 10 User
TM84
Poison Jab
Has a 30% chance to poison the target.
POISON
PHYSICAL
80 100% 20 One Target
TM85
Dream Eater
Heals Haunter by half the damage dealt. Fails unless foe is asleep.
PSYCHIC
SPECIAL
100 100% 15 One Target
TM87
Swagger
Raises the target's Attack by two stages and confuses it.
NORMAL
STATUS
-- 85% 15 One Target
TM90
Substitute
Costs 25% of Haunter's max HP. Sets up a Substitute to block effects and damage.
NORMAL
STATUS
-- -- 10 User
TM92
Trick Room
For the next 5 turns, turn order is reversed, so slower Pokémon go first. (Priority still functions as usual.)
PSYCHIC
STATUS
-- -- 5 Entire Field

Egg Moves

Here are all of the moves that Haunter can learn as Egg Moves. In the case of evolved Pokémon, it shows what Egg Moves it can learn in its lowest evolutionary stage. Click the word EGG to find compatible breeding Pokémon to get that Egg Move onto Haunter.
Move Type Category Power Acc.% PP Target Info
EGG
Perish Song
All Pokémon on the field are knocked out after 3 turns unless they switch out.
NORMAL
STATUS
-- -- 5 All Pokémon
EGG
Haze
Resets all stat, accuracy, and evasion modifiers.
ICE
STATUS
-- -- 30 Entire Field
EGG
Astonish
Has a 30% chance of causing the target to flinch.
GHOST
PHYSICAL
30 100% 15 One Target
EGG
Grudge
If Haunter is knocked out before its next action, the attacker loses all PP of the move it used.
GHOST
STATUS
-- -- 5 User
EGG
Disable
Disables the target's last used move for a few turns.
NORMAL
STATUS
-- 100% 20 One Target
EGG
Clear Smog
Removes any stat modifiers on the target.
POISON
SPECIAL
50 -- 15 One Target
EGG
Smog
Has a 40% chance to poison the target.
POISON
SPECIAL
30 70% 20 One Target
EGG
Reflect Type
Haunter changes its type to the target's.
NORMAL
STATUS
-- -- 15 One Target
EGG
Fire Punch
Has a 10% chance to burn the target.
FIRE
PHYSICAL
75 100% 15 One Target
EGG
Ice Punch
Has a 10% chance to freeze the target.
ICE
PHYSICAL
75 100% 15 One Target
EGG
Thunder Punch
Has a 10% chance to paralyze the target.
ELECTRIC
PHYSICAL
75 100% 15 One Target
EGG
Scary Face
Lowers the target's Speed by two stages.
NORMAL
STATUS
-- 100% 10 One Target

Haunter's Detailed Stats

Below you'll find a more detailed table containing Haunter's calculated stats, which are the stats that you actually see displayed in game. These are affected by a variety of things, such as level, Effort Values (EVs), Individual Values (IVs), and Haunter's Nature.

By default, the stats you see in the table below show four different possibilities, all assuming Haunter is level 100: its stats with 0 EVs, 252+ (max) EVs, 0 IVs, and 31 (max) IVs. Nature is not shown by default, so its maximum is 10% higher than shown here, and minium 10% lower.
Stats at
level 100
0 EVs 252+ EVs Base Stat
Min Max Min Max
HP
200 231 263 294 45
Attack
105 136 168 199 50
Defense
95 126 158 189 45
Sp. Atk
235 266 298 329 115
Sp. Def
115 146 178 209 55
Speed
195 226 258 289 95
Total
405

Where to Find Haunter in Brilliant Diamond & Shining Pearl

If you're looking for where to find Haunter, you'll find the various methods listed down below, along with any notes or special locations. This should help you figure out how to get Haunter in Pokémon Sword & Shield. (Currently this does not show most "strong" static encounters or Max Raid Battles.)

Special Ways to Get Haunter

Catchable during Dynamax Adventures in Crown Tundra (DLC), level 65.

Haunter in the Wild

Galar Route 8

Random Encounters
Any Weather
10% Lv. 38-40

Giant's Seat

Random Encounters
Normal Weather
Norm.
Overcast
Over.
Raining
Rain
Thunderstorm
Strm.
Intense Sun
Sun
Snowing
Snow
Blizzard
Bliz.
Sandstorm
Sand.
Heavy Fog
Fog
-- 15% -- -- -- -- -- -- --
Lv. 30-35

Getting Haunter By Evolution

Evolves from Gastly at level 25.
Location information on where to find Haunter in Pokémon Brilliant Diamond & Shining Pearl will be coming to the Marriland Pokédex in a future update! Thank you for your patience!

Pokédex Entries for Haunter

Generation 8 Pokédex Entries

Sword
Its tongue is made of gas. If licked, its victim starts shaking constantly until death eventually comes.
Shield
If you get the feeling of being watched in darkness when nobody is around, Haunter is there.

Generation 7 Pokédex Entries

Sun
It strikes at humans from total darkness. Those licked by its cold tongue grow weaker with each passing day until they die.
Moon
It fears the light and revels in the dark. It may be on the verge of extinction in cities that stay brightly lit at night.
Ultra Sun
On moonless nights, Haunter searches for someone to curse, so it's best not to go out walking around.
Ultra Moon
It's dangerous to go outside alone on nights when you're feeling sad. Haunter will catch you, and you won't be able to go back home.

Generation 6 Pokédex Entries

X
If you get the feeling of being watched in darkness when nobody is around, Haunter is there.
Y
It licks with its gaseous tongue to steal the victim's life force. It lurks in darkness for prey.
Omega Ruby Alpha Sapphire
Haunter is a dangerous Pokémon. If one beckons you while floating in darkness, you must never approach it. This Pokémon will try to lick you with its tongue and steal your life away.

Generation 5 Pokédex Entries

Black White Black 2 White 2
It likes to lurk in the dark and tap shoulders with a gaseous hand. Its touch causes endless shuddering.

Generation 4 Pokédex Entries

Diamond
It can slip through any obstacle. It lurks inside walls to keep an eye on its foes.
Pearl
It licks with its gaseous tongue to steal the victim's life force. It lurks in darkness for prey.
Platinum
It likes to lurk in the dark and tap shoulders with a gaseous hand. Its touch causes endless shuddering.
HeartGold
In total darkness, where nothing is visible, HAUNTER lurks, silently stalking its next victim.
SoulSilver
Its tongue is made of gas. If licked, its victim starts shaking constantly until death eventually comes.

Generation 3 Pokédex Entries

Ruby Sapphire
HAUNTER is a dangerous POKéMON. If one beckons you while floating in darkness, you must never approach it. This POKéMON will try to lick you with its tongue and steal your life away.
Emerald
If a HAUNTER beckons you while it is floating in darkness, don't approach it. This POKéMON will try to lick you with its tongue and steal your life away.
FireRed
If you get the feeling of being watched in darkness when nobody is around, HAUNTER is there.
LeafGreen
Because of its ability to slip through block walls, it is said to be from another dimension.

Generation 2 Pokédex Entries

Gold
In total darkness, where nothing is visible, HAUNTER lurks, silently stalking its next victim.
Silver
Its tongue is made of gas. If licked, its victim starts shaking constantly until death even­tually comes.
Crystal
It hides in the dark, planning to take the life of the next living thing that wanders close by.

Generation 1 Pokédex Entries

Red Blue
Because of its ability to slip through block walls, it is said to be from an­ other dimension.
Yellow
By licking, it saps the victim's life. It causes shaking that won't stop until the victim's demise.
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