At 395 BST, Gloom is firmly in pre-evolution territory. Evolve it into Vileplume before bringing it to any serious fight.

What is Gloom weak to?

In Crystal, Gloom's biggest threats include Charizard (Fire), Cloyster (Ice), and Dodrio (Flying), all carrying super-effective STAB moves. Psychic-type attackers are also a problem. At base 40 Speed, Gloom won't outrun any of these threats so switching to a resist is usually the safer play.

How do you evolve Gloom?

In Crystal, Oddish evolves into Gloom at level 21. Gloom can evolve into Vileplume and Bellossom depending on the method. Gloom is a middle-stage evolution in the Oddish line.

What role does Gloom play in battle?

Gloom is a mixed attacker with base 65 Attack and 85 Sp. Atk. Enough bulk to take a hit or two, too. Speed tells the real story. Base 40 Speed is low. Priority moves or Trick Room are the way to go. Fits the trick room role.

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

Gloom - Weakness, Evolution, Moveset, EVs & Stats

Mixed

Trick Room

DTier

40Speed · Very Slow

Stats & Training

Nothing fancy in Gloom's spread. It leans mixed with Sp. Atk out front. And you'll get 2 Sp. Atk stat exp per KO for it. Follows a 1.06M XP medium-slow curve.

Base Stats

Avg

HP60

Attack65

Defense70

Sp. Atk85

Sp. Def75

Speed40

Total395

Details

Catch Rate

Moderate120 / 255

Growth Rate

Medium Slow1.06M XP

Height0.8 m

Weight8.6 kg

Base XP138

Abilities

Abilities were introduced in Generation III. Shown below for reference.

Chlorophyll

Doubles Speed during strong sunlight.

StenchHA

Has a 10% chance of making target Pokémon flinch with each hit.

EV Yield

HPAtkDefSpA+2SpDSpe

Special Attack training target

Pokedex Entries

The smell from its drool-like syrup and the pollen on its petals is so bad, it may make opponents faint.

Crystal

Gloom Weakness

Gloom is weak to Fire, Ice, Flying, and Psychic. The Grass/Poison typing picks up 4 resistances to work with. Not too many gaps in the chart, 4 weaknesses to account for.

Gloom Weakness and Resistance Chart
Damage	Types
2x (Weak)	Fire, Ice, Flying, Psychic
0.5x (Resist)	Water, Electric, Fighting
0.25x (Resist)	Grass

Type ChartVulnerable

4Weak

4Resist

0Immune

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

2xWeak

Fire Ice Flying Psychic

½xResist

Water Electric Fighting

¼xResist

Grass

0xImmune

None

STAB (4)

Water Ground Rock Grass

How to Beat Gloom in Crystal (Best Counters)

Skarmory SteelFlying	A
Available Moves Moves FlyHM02 PeckLv. 1 Damage vs Gloom Fly 2x 84-100%KO Peck 2x 33-40% View Skarmory builds →
Noctowl NormalFlying	C
Available Moves Moves FlyHM02 PeckLv. 11 Damage vs Gloom Fly 2x 59-70% Peck 2x 24-30% View Noctowl builds →
Fearow NormalFlying	C
Available Moves Moves FlyHM02 PeckLv. 1 Damage vs Gloom Fly 2x 90-107%KO Peck 2x 37-43% View Fearow builds →
Golbat PoisonFlying	D
Available Move Moves Wing AttackLv. 30 Damage vs Gloom Wing Attack 2x 57-67% View Golbat builds →
Farfetch'd NormalFlying	D
Available Moves Moves FlyHM02 PeckLv. 1 Damage vs Gloom Fly 2x 90-107%KO Peck 2x 37-43% View Farfetch'd builds →

Crystal Evolution

Gloom can evolve into Vileplume and Bellossom. Gloom sits before the split, so check the evolution methods below to pick your path. HP has grown the most so far (+15), but there's still another 95 stats to gain in the final evolution. View every chain in the Evolution Chart.

How to Evolve

4 Forms

#043Oddish

Level 21

#044Gloom

#045VileplumeLeaf Stone

#182BellossomSun Stone

Stat Comparison 4 Stages

Oddish

GrassPoison

Gloom

GrassPoison

Vileplume

GrassPoison

Bellossom

Grass

60+15

75+15

ATK

65+15

80+15

DEF

70+15

85+15

95+25

SP.ATK

85+10

110+25

90+5

SP.DEF

75+10

90+15

100+25

SPE

40+10

50+10

BST

320D-Tier

395D-Tier+75

490B-Tier+95

490C-Tier+95

ROLE

Balanced

Trick Room

Attacker

Balanced

TYPE

Special

Mixed

Breeding

Very Easy

Breed with Gloom to get Oddish eggs easily using 23 partners from the Plant egg group. Notable egg moves include Flail, Razor Leaf, Swords Dance and 1 more.

Egg Groups

Plant

Gender

♂50.0%♀50.0%

Hatch Time

20 cycles·5,140 steps

Quick~5 min with Flame Body

Egg Moves

4moves

Breed With (best first)

Crystal Gloom 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. Gloom gets Flail and Razor Leaf exclusively through breeding, filling gaps that TMs and level-up can't touch. Normal coverage rounds out the picture alongside Petal Dance and Solar Beam.

Level-Up Moves

Lv 1

Absorb

D2010020Grass

Lv 1

Poison Powder

——7535Poison

Lv 1

Sweet Scent

——10020Normal

Lv 7

Sweet Scent

——10020Normal

Lv 14

Poison Powder

——7535Poison

Lv 16

Stun Spore

C—7530Grass

Lv 18

Sleep Powder

C—7515Grass

Lv 24

Acid

—4010030Poison

Lv 35

Moonlight

C——5Normal

Lv 44

Petal Dance

B12010020Grass

TM Moves

TM45

Attract

D—10015Normal

TM03

Curse

C——10Ghost

HM01

Cut

—509530Normal

TM32

Double Team

———15Normal

TM20

Endure+4

D——10Normal

HM05

Flash

D—7020Normal

TM21

Frustration

D—10020Normal

TM19

Giga Drain

C751005Grass

TM10

Hidden Power

—6010015Normal

TM17

Protect+4

C——10Normal

TM44

Rest

C——10Psychic

TM27

Return

D—10020Normal

TM35

Sleep Talk

C——10Normal

TM36

Sludge Bomb

C9010010Poison

TM13

Snore

—4010015Normal

TM22

Solar Beam

B12010010Grass

TM11

Sunny Day

C——5Fire

TM34

Swagger

C—8515Normal

TM12

Sweet Scent

——10020Normal

TM06

Toxic

C—8510Poison

Egg Moves

Egg

Flail

D—10015Normal

Egg

Razor Leaf

D559525Grass

Egg

Swords Dance

C——30Normal

Egg

Synthesis

D——5Grass

Tutor Moves

Gloom can't learn any Tutor moves

How to Get Gloom in Crystal

Finding Gloom at moderate rates takes patience. 1 spots are available in early-game routes, but the rate difference between them matters. Lock in the top one from the sorted list below.

Where To Catch Gloom in Crystal

Oddish is your first catch on the way to Gloom. You'll find walking encounters from Lv. 5-14 across 4 total spots in the chain.

Step 1Catch Oddish
Ilex Forest
Grass Lv.5-7 Forest
50%Early
Night
Route 24
Grass Lv.10-12 Route
50%Early
Night
Route 25
Grass Lv.10 Route
30%Early
Night
Train until Level 21
Step 2Gloom ✓
Route 24
Grass Lv.14 Route
5%Early
Night
or evolve from Oddish (Step 1)

Gloom Guide

At 395 BST, Gloom is firmly in pre-evolution territory. Evolve it into Vileplume before bringing it to any serious fight.
In Crystal, Gloom's biggest threats include Charizard (Fire), Cloyster (Ice), and Dodrio (Flying), all carrying super-effective STAB moves. Psychic-type attackers are also a problem. At base 40 Speed, Gloom won't outrun any of these threats so switching to a resist is usually the safer play.
In Crystal, Oddish evolves into Gloom at level 21. Gloom can evolve into Vileplume and Bellossom depending on the method. Gloom is a middle-stage evolution in the Oddish line.
Gloom is a mixed attacker with base 65 Attack and 85 Sp. Atk. Enough bulk to take a hit or two, too. Speed tells the real story. Base 40 Speed is low. Priority moves or Trick Room are the way to go. Fits the trick room role.
In Crystal, For a casual playthrough, Gloom works as a placeholder. Grass/Poison coverage is useful early. The real payoff is Vileplume. That's where the stats start mattering.

Game Availability

Present since Red & Blue, Gloom appears in 21 games spanning 10 generations. Gen 1 originals like Gloom have the longest track record of availability in the series.

Click a game to view version-specific details

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Zubat PoisonFlying	D
Upcoming Move Moves Wing AttackLv. 27 Learns Wing Attack at Level 27 View Zubat builds →
Cyndaquil Fire	D
Obtain MethodNew Bark Town Gift Upcoming Move Moves EmberLv. 12 Learns Ember at Level 12 View Cyndaquil builds →
Hoothoot NormalFlying	D
Upcoming Move Moves PeckLv. 11 Learns Peck at Level 11 View Hoothoot builds →
Pidgey NormalFlying	D
Upcoming Move Moves GustLv. 9 Learns Gust at Level 9 View Pidgey builds →
Ledyba BugFlying	D
Upcoming Move Moves View Ledyba builds →

Magby Fire	D
Obtain MethodRoute 34 Gift Available Move Moves EmberLv. 1 Damage vs Gloom Ember 2x 40-48% View Magby builds →
Natu PsychicFlying	D
Available Move Moves PeckLv. 1 Damage vs Gloom Peck 2x 30-36% View Natu builds →
Cyndaquil Fire	D
Obtain MethodNew Bark Town Gift Available Move Moves EmberLv. 12 Damage vs Gloom Ember 2x 34-42% View Cyndaquil builds →
Spearow NormalFlying	D
Available Move Moves PeckLv. 1 Damage vs Gloom Peck 2x 34-42% View Spearow builds →
Hoothoot NormalFlying	D
Available Move Moves PeckLv. 11 Damage vs Gloom Peck 2x 24-30% View Hoothoot builds →

Magby Fire	D
Obtain MethodRoute 34 Gift Available Moves Moves Fire BlastTM38 Fire PunchTM48 EmberLv. 1 Damage vs Gloom Fire Blast 2x 93-110%KO Fire Punch 2x 67-80% Ember 2x 37-45% View Magby builds →
Natu PsychicFlying	D
Available Move Moves PeckLv. 1 Damage vs Gloom Peck 2x 28-35% View Natu builds →
Cyndaquil Fire	D
Obtain MethodNew Bark Town Gift Available Moves Moves Fire BlastTM38 EmberLv. 12 Damage vs Gloom Fire Blast 2x 85-100%KO Ember 2x 33-40% View Cyndaquil builds →
Spearow NormalFlying	D
Available Move Moves PeckLv. 1 Damage vs Gloom Peck 2x 33-40% View Spearow builds →
Hoothoot NormalFlying	D
Available Move Moves PeckLv. 11 Damage vs Gloom Peck 2x 25-30% View Hoothoot builds →

Noctowl NormalFlying	C
Available Move Moves PeckLv. 11 Damage vs Gloom Peck 2x 28-33% View Noctowl builds →
Magby Fire	D
Obtain MethodRoute 34 Gift Available Moves Moves Fire BlastTM38 Fire PunchTM48 EmberLv. 1 Damage vs Gloom Fire Blast 2x 92-108%KO Fire Punch 2x 63-75% Ember 2x 39-46% View Magby builds →
Growlithe Fire	D
Available Moves Moves Fire BlastTM38 EmberLv. 9 Damage vs Gloom Fire Blast 2x 92-108%KO Ember 2x 39-46% View Growlithe builds →
Pidgeotto NormalFlying	D
Available Move Moves GustLv. 9 Damage vs Gloom Gust 2x 35-42% View Pidgeotto builds →
Natu PsychicFlying	D
Available Move Moves PeckLv. 1 Damage vs Gloom Peck 2x 28-33% View Natu builds →

Noctowl NormalFlying	C
Available Moves Moves FlyHM02 PeckLv. 11 Damage vs Gloom Fly 2x 61-72% Peck 2x 25-31% View Noctowl builds →
Fearow NormalFlying	C
Available Moves Moves FlyHM02 PeckLv. 1 Damage vs Gloom Fly 2x 93-110%KO Peck 2x 38-45% View Fearow builds →
Golbat PoisonFlying	D
Available Move Moves Wing AttackLv. 30 Damage vs Gloom Wing Attack 2x 59-69% View Golbat builds →
Magby Fire	D
Obtain MethodRoute 34 Gift Available Moves Moves Fire BlastTM38 Fire PunchTM48 EmberLv. 1 Damage vs Gloom Fire Blast 2x 91-107%KO Fire Punch 2x 61-72% Ember 2x 34-41% View Magby builds →
Growlithe Fire	D
Available Moves Moves Fire BlastTM38 EmberLv. 9 Damage vs Gloom Fire Blast 2x 91-107%KO Ember 2x 34-41% View Growlithe builds →