Pokedex · v4.0.3 / English v1.0.0-rc8

Muk

Muk in Pokemon Origin HeartGold: Poison typing, base stats, Abilities, evolution requirements, learnsets and where to find it.

Content reviewed 11 October 2026

Poison

wild: Power Plant / Dark Cave Route 31 Side, Route 16 East, Route 18

Base stats Total 500

HP105

Attack105

Defense75

Sp. Atk65

Sp. Def100

Speed50

Abilities

Normal Ability slots

Slot 1: Stench
Slot 2: Sticky Hold

Hidden Ability

Poison Touch

Capture-chain requirements

Where to find Muk

wild: Power Plant / Dark Cave Route 31 Side, Route 16 East, Route 18

Location	Method / time	Level	Chance / weight
Power Plant	Grass/cave, day	38	1%
Route 16 East	Grass/cave, day	30	1%
Route 18	Grass/cave, morning	38	4%
Route 18	Grass/cave, day	38	4%
Route 18	Grass/cave, night	38	4%
Dark Cave Route 31 Side	Grass/cave, day	38	1%

Evolution & forms

Evolves from

Grimer · Lv 38
at Lv 38

Evolves into

None recorded.

Related forms

Alolan Muk

Related records may have different availability. They are not automatically obtainable.

Moves Muk can learn

Level-up (20)

Method	Move	Type	Category	Power	Accuracy	PP
On evolution	Venom Drench	Poison	Status	—	100	20
Lv. 1	Venom Drench	Poison	Status	—	100	20
Lv. 1	Pound	Normal	Physical	40	100	35
Lv. 1	Poison Gas	Poison	Status	—	90	40
Lv. 1	Harden	Normal	Status	—	—	30
Lv. 1	Mud-Slap	Ground	Special	20	100	10
Lv. 4	Harden	Normal	Status	—	—	30
Lv. 7	Mud-Slap	Ground	Special	20	100	10
Lv. 12	Disable	Normal	Status	—	100	20
Lv. 15	Sludge	Poison	Special	65	100	20
Lv. 18	Smog	Poison	Special	30	70	20
Lv. 21	Minimize	Normal	Status	—	—	10
Lv. 26	Fling	Dark	Physical	var.	100	10
Lv. 29	Sludge Bomb	Poison	Special	90	100	10
Lv. 32	Sludge Wave	Poison	Special	95	100	10
Lv. 37	Screech	Normal	Status	—	85	40
Lv. 40	Gunk Shot	Poison	Physical	120	90	5
Lv. 46	Acid Armor	Poison	Status	—	—	20
Lv. 52	Belch	Poison	Special	120	90	10
Lv. 57	Memento	Dark	Status	—	100	10

TMs & HMs (41)

Method	Move	Type	Category	Power	Accuracy	PP
TM01	Focus Punch	Fighting	Physical	150	100	20
TM10	Hidden Power	Normal	Special	60	100	15
TM11	Sunny Day	Fire	Status	—	—	5
TM12	Taunt	Dark	Status	—	100	20
TM15	Hyper Beam	Normal	Special	150	90	5
TM17	Protect	Normal	Status	—	—	10
TM18	Rain Dance	Water	Status	—	—	5
TM19	Giga Drain	Grass	Special	75	100	10
TM21	Frustration	Normal	Physical	var.	100	20
TM24	Thunderbolt	Electric	Special	90	100	15
TM25	Thunder	Electric	Special	110	70	10
TM27	Return	Normal	Physical	var.	100	20
TM28	Dig	Ground	Physical	80	100	10
TM30	Shadow Ball	Ghost	Special	80	100	15
TM31	Brick Break	Fighting	Physical	75	100	15
TM32	Double Team	Normal	Status	—	—	15
TM34	Shock Wave	Electric	Special	60	—	20
TM35	Flamethrower	Fire	Special	90	100	15
TM36	Sludge Bomb	Poison	Special	90	100	10
TM38	Fire Blast	Fire	Special	110	85	5
TM39	Rock Tomb	Rock	Physical	60	95	15
TM41	Torment	Dark	Status	—	100	15
TM42	Facade	Normal	Physical	70	100	20
TM44	Rest	Psychic	Status	—	—	5
TM45	Attract	Normal	Status	—	100	15
TM46	Thief	Dark	Physical	60	100	25
TM52	Focus Blast	Fighting	Special	120	70	5
TM56	Fling	Dark	Physical	var.	100	10
TM58	Endure	Normal	Status	—	—	10
TM64	Explosion	Normal	Physical	250	100	5
TM66	Payback	Dark	Physical	50	100	10
TM68	Giga Impact	Normal	Physical	150	90	5
TM79	Dark Pulse	Dark	Special	80	100	15
TM80	Rock Slide	Rock	Physical	75	90	10
TM82	Sleep Talk	Normal	Status	—	—	10
TM84	Poison Jab	Poison	Physical	80	100	20
TM87	Swagger	Normal	Status	—	85	15
TM90	Substitute	Normal	Status	—	—	10
TM94	Venoshock	Poison	Special	65	100	10
HM04	Strength	Normal	Physical	80	100	15
HM06	Rock Smash	Fighting	Physical	60	100	15

Move tutors (6)

Method	Move	Type	Category	Power	Accuracy	PP
Tutor	Curse	Ghost	Status	—	—	10
Tutor	Fire Punch	Fire	Physical	75	100	15
Tutor	Haze	Ice	Status	—	—	30
Tutor	Ice Punch	Ice	Physical	75	100	15
Tutor	Snarl	Dark	Special	55	95	15
Tutor	Thunder Punch	Electric	Physical	75	100	15

Egg moves (0)

No moves recorded for this method.

Training & breeding

Catch rate value: 75 (not a catch percentage)
Gender ratio: 50.0% female
Egg groups: Amorphous
Growth rate: Medium Fast
EV yield: 1 HP, 1 Attack
Possible held items: Black Sludge

Muk