Gloom

GrassPoisonChlorophyll, Stench (hidden)

In Emerald Rule-ette: Not in the wild: evolve Oddish at Level 21. Its type (Grass / Poison), base stats (total 395) and abilities are the same as in the official games. 6 of its 14 level-up moves are new compared with Pokémon Emerald, including Growth and Mega Drain.

Level-up moves 14

Lv	Move	Type	Cat	Pow	Acc	PP
1	Absorb An attack that absorbs half the damage inflicted.	Grass	Spec	20	100	25
1	Acid Sprays a hide-melting acid. May lower Sp. Def.	Poison	Spec	40	100	30
1	Growth Forces the body to grow, raising Attack and Sp. Atk.	Normal	Stat	—	—	20
1	Sweet Scent Allures the foes to harshly reduce evasiveness.	Normal	Stat	—	100	20
12	Mega Drain	Grass	Spec	40	100	15
14	Poison Powder Scatters a toxic powder that may poison the foe.	Poison	Stat	—	75	35
16	Stun Spore Scatters a powder that may paralyze the foe.	Grass	Stat	—	75	30
18	Sleep Powder Scatters a powder that may cause the foe to sleep.	Grass	Stat	—	75	15
20	Giga Drain An attack that steals half the damage inflicted.	Grass	Spec	75	100	10
26	Toxic Poisons the foe with an intensifying toxin.	Poison	Stat	—	90	10
32	Moonblast Attacks with the power of the moon. May lower Sp. Atk.	Fairy	Spec	95	100	15
38	Grassy Terrain The ground turns to grass for 5 turns. Restores HP.	Grass	Stat	—	—	10
44	Moonlight Restores HP. The amount varies with the weather.	Fairy	Stat	—	—	5
50	Petal Dance A rampage of 2 to 3 turns that confuses the user.	Grass	Spec	120	100	10

* a legal move, just moved to level-up · ** new to this game

TMs & HMs 14

#	Move · where to get it	Type	Pow
TM06	Toxic Fiery Path (pick up)	Poison	—
TM09	Bullet Seed Route 104 (pick up)	Grass	25
TM11	Sunny Day Scorched Slab (pick up)	Fire	—
TM17	Protect Lilycove City — Department Store 4F (buy)	Normal	—
TM19	Giga Drain Route 123 (pick up)	Grass	75
TM22	Solar Beam Safari Zone — Northwest (pick up)	Grass	120
TM32	Double Team Mauville City — Game Corner (pick up); Route 113 (hidden)	Normal	—
TM33	Reflect Lilycove City — Department Store 4F (buy)	Psychic	—
TM36	Sludge Bomb Dewford Town — Hall (pick up)	Poison	90
TM42	Facade Petalburg City Gym (pick up)	Normal	70
TM44	Rest Lilycove City — House 2 (pick up)	Psychic	—
TM45	Attract Verdanturf Town — Battle Tent Lobby (pick up)	Normal	—
HM01	Cut Rustboro City — Cutter's House (pick up)	Normal	50
HM05	Flash Granite Cave — 1F (pick up)	Normal	—

Where to find Gloom

Not found in the wild — evolve or trade for it.

Other changes in this game

Evolves into Vileplume with a Leaf Stone
Evolves into Bellossom with a Sun Stone