Muk in Pokémon Crystal

#117 in the Crystal Pokédex • Sludge Pokémon

Normal

Shiny

Pokédex entries

Pokémon Crystal

As it moves, a very strong poison leaks from it, making the ground there barren for three years.

Type

2×

2×

0.5×

0.5×

0.5×

Stat Experience is gained in five stats. Special is shared by Special Attack and Special Defense; each stat can reach 65,535.

Egg groups, gender ratio, and hatching details for this Pokémon.

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Grimer #116	Level 38	Muk #117

Known encounter locations for this Pokémon in this game.

Crystal

Location	Method	Level	Chance	Conditions
Celadon City	Surfing	15-19	10%	-
Route 16 Road 16	Walking in tall grass or a cave	30	4%	During the day
Route 16 Road 16	Walking in tall grass or a cave	30	4%	In the morning
Route 16 Road 16	Walking in tall grass or a cave	30	4%	At night
Route 16 Road 16	Walking in tall grass or a cave	30	1%	During the day
Route 16 Road 16	Walking in tall grass or a cave	30	1%	In the morning
Route 16 Road 16	Walking in tall grass or a cave	30	1%	At night
Route 17 Road 17	Walking in tall grass or a cave	33	4%	During the day
Route 17 Road 17	Walking in tall grass or a cave	33	4%	In the morning
Route 17 Road 17	Walking in tall grass or a cave	33	4%	At night
Route 17 Road 17	Walking in tall grass or a cave	33	1%	During the day
Route 17 Road 17	Walking in tall grass or a cave	33	1%	In the morning
Route 17 Road 17	Walking in tall grass or a cave	33	1%	At night
Route 18 Road 18	Walking in tall grass or a cave	30	4%	During the day
Route 18 Road 18	Walking in tall grass or a cave	30	4%	In the morning
Route 18 Road 18	Walking in tall grass or a cave	30	4%	At night
Route 18 Road 18	Walking in tall grass or a cave	30	1%	During the day
Route 18 Road 18	Walking in tall grass or a cave	30	1%	In the morning
Route 18 Road 18	Walking in tall grass or a cave	30	1%	At night

Rates are rounded from the native random-byte checks. Forced held items are shown as 100%; encounters and edition prerequisites still apply.

Crystal

Moves this Pokémon learns naturally by reaching specific levels.


Start	Pound Pounds with forelegs or tail.	40	100	35
Start	Harden Raises the user's DEFENSE.	-	-	30
Start	Poison Gas A move that may poison the foe.	-	55	40
23	Minimize Heightens evasiveness.	-	-	20
31	Screech Sharply reduces the foe's DEFENSE.	-	85	40
33	Harden Raises the user's DEFENSE.	-	-	30
37	Disable Disables the foe's most recent move.	-	55	20
45	Sludge An attack that may poison the foe.	65	100	20
45	Acid Armor Sharply raises the user's DEFENSE.	-	-	40
60	Sludge Bomb An attack that may poison the foe.	90	100	10

Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon Crystal.


TM01	Dynamic Punch An attack that always confuses.		100	50	5
TM03	Curse Works differently for ghost-types.		-	-	10
TM06	Toxic A poison move with increasing damage.		-	85	10
TM07	Zap Cannon An attack that always paralyzes.		100	50	5
TM10	Hidden Power The power varies with the Pokémon.	Type varies by DVs	31–70	100	15
TM11	Sunny Day Boosts fire-type moves for 5 turns.		-	-	5
TM13	Snore An attack useable only while asleep.		40	100	15
TM15	Hyper Beam 1st turn: Attack 2nd turn: Rest		150	90	5
TM17	Protect Foils attack that turn. It may fail.		-	-	10
TM19	Giga Drain Steals 1/2 of the damage inflicted.		60	100	5
TM20	Endure Always leaves at least 1HP.		-	-	10
TM21	Frustration An attack based on lack of loyalty.		-	100	20
TM25	Thunder An attack that may cause paralysis.		120	70	10
TM27	Return An attack that is based on loyalty.		-	100	20
TM31	Mud-Slap Reduces the foe's accuracy.		20	100	10
TM32	Double Team Heightens evasiveness.		-	-	15
TM33	Ice Punch An icy punch. May cause freezing.		75	100	15
TM34	Swagger Causes confusion and raises ATTACK.		-	90	15
TM35	Sleep Talk Randomly attacks while asleep.		-	-	10
TM36	Sludge Bomb An attack that may poison the foe.		90	100	10
TM38	Fire Blast An attack that may cause a burn.		120	85	5
TM41	Thunder Punch An electric punch. It may paralyze.		75	100	15
TM44	Rest Sleep for 2 turns to fully recover.		-	-	10
TM45	Attract Makes the opposite gender infatuated.		-	100	15
TM46	Thief An attack that may steal a held item.		40	100	10
TM48	Fire Punch A fiery punch. May cause a burn.		75	100	15