Muk
Ruby

From MUK’s body seeps a foul fluid that gives off a nose-bendingly horrible stench. Just one drop of this POKéMON’s body fluid can turn a pool stagnant and rancid.

Sapphire

This POKéMON’s favorite food is anything that is repugnantly filthy. In dirty towns where people think nothing of throwing away litter on the streets, MUK are certain to gather.

Emerald

It prefers warm and humid habitats. In the summertime, the toxic substances in its body intensify, making MUK reek like putrid kitchen garbage.

Firered

It is usually undetectable because it blends in with the ground. Touching it can cause terrible poisoning.

Leafgreen

Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.

Evolution Chain

grimer
Grimer
Level 38
muk
Muk

Pokédex Data

Classification Sludge Pokémon
Height 1.2 m (3'11")
Weight 30.0 kg (66.1 lbs)
Abilities

Held Items

Nugget 5%

Game Locations

  • Pokemon Mansion 1f
  • Pokemon Mansion 2f
  • Pokemon Mansion 3f
  • Pokemon Mansion B1f

Training

EV Yield +1 hp
+1 attack
Catch Rate 75
Base Friendship 70
Growth Rate medium
Gender Ratio
Egg Groups Indeterminate

Learned Moves

Level Up Moves

Ruby/Sapphire
Lvl Name Class Power Acc. PP Effect
1 Pound
40 100% 35 Inflicts regular damage with no additional effect.
1 Harden
30 Raises the user's Defense by one stage.
1 Poison Gas
90% 40 Poisons the target.
4 Harden
30 Raises the user's Defense by one stage.
8 Disable
100% 20 Disables the target's last used move for 1-8 turns.
13 Sludge
65 100% 20 Has a 30% chance to poison the target.
19 Minimize
10 Raises the user's evasion by two stages.
26 Screech
85% 40 Lowers the target's Defense by two stages.
34 Acid Armor
20 Raises the user's Defense by two stages.
47 Sludge Bomb
90 100% 10 Has a 30% chance to poison the target.
61 Memento
100% 10 Lowers the target's Attack and Special Attack by two stages. User faints.
Emerald
Lvl Name Class Power Acc. PP Effect
1 Pound
40 100% 35 Inflicts regular damage with no additional effect.
1 Harden
30 Raises the user's Defense by one stage.
1 Poison Gas
90% 40 Poisons the target.
4 Harden
30 Raises the user's Defense by one stage.
8 Disable
100% 20 Disables the target's last used move for 1-8 turns.
13 Sludge
65 100% 20 Has a 30% chance to poison the target.
19 Minimize
10 Raises the user's evasion by two stages.
26 Screech
85% 40 Lowers the target's Defense by two stages.
34 Acid Armor
20 Raises the user's Defense by two stages.
47 Sludge Bomb
90 100% 10 Has a 30% chance to poison the target.
61 Memento
100% 10 Lowers the target's Attack and Special Attack by two stages. User faints.
FireRed/LeafGreen
Lvl Name Class Power Acc. PP Effect
1 Pound
40 100% 35 Inflicts regular damage with no additional effect.
1 Harden
30 Raises the user's Defense by one stage.
1 Poison Gas
90% 40 Poisons the target.
4 Harden
30 Raises the user's Defense by one stage.
8 Disable
100% 20 Disables the target's last used move for 1-8 turns.
13 Sludge
65 100% 20 Has a 30% chance to poison the target.
19 Minimize
10 Raises the user's evasion by two stages.
26 Screech
85% 40 Lowers the target's Defense by two stages.
34 Acid Armor
20 Raises the user's Defense by two stages.
47 Sludge Bomb
90 100% 10 Has a 30% chance to poison the target.
61 Memento
100% 10 Lowers the target's Attack and Special Attack by two stages. User faints.

TM/HM Moves

Ruby/SapphireEmeraldFireRed/LeafGreen
Name Class Power Acc. PP Effect
HM04 Strength
80 100% 15 Inflicts regular damage with no additional effect.
HM06 Rock Smash
40 100% 15 Has a 50% chance to lower the target's Defense by one stage.
TM01 Focus Punch
150 100% 20 If the user takes damage before attacking, the attack is canceled.
TM06 Toxic
90% 10 Badly poisons the target, inflicting more damage every turn.
TM10 Hidden Power
60 100% 15 Power and type depend upon user's IVs. Power can range from 30 to 70.
TM11 Sunny Day
5 Changes the weather to sunny for five turns.
TM12 Taunt
100% 20 For the next few turns, the target can only use damaging moves.
TM15 Hyper Beam
150 90% 5 User foregoes its next turn to recharge.
TM17 Protect
10 Prevents any moves from hitting the user this turn.
TM18 Rain Dance
5 Changes the weather to rain for five turns.
TM19 Giga Drain
75 100% 10 Drains half the damage inflicted to heal the user.
TM21 Frustration
100% 20 Power increases as happiness decreases, up to a maximum of 102.
TM24 Thunderbolt
90 100% 15 Has a 10% chance to paralyze the target.
TM25 Thunder
110 70% 10 Has a 30% chance to paralyze the target.
TM27 Return
100% 20 Power increases with happiness, up to a maximum of 102.
TM28 Dig
80 100% 10 User digs underground, dodging all attacks, and hits next turn.
TM31 Brick Break
75 100% 15 Destroys Reflect and Light Screen.
TM32 Double Team
15 Raises the user's evasion by one stage.
TM34 Shock Wave
60 20 Never misses.
TM35 Flamethrower
90 100% 15 Has a 10% chance to burn the target.
TM36 Sludge Bomb
90 100% 10 Has a 30% chance to poison the target.
TM38 Fire Blast
110 85% 5 Has a 10% chance to burn the target.
TM39 Rock Tomb
60 95% 15 Has a 100% chance to lower the target's Speed by one stage.
TM41 Torment
100% 15 Prevents the target from using the same move twice in a row.
TM42 Facade
70 100% 20 Power doubles if user is burned, paralyzed, or poisoned.
TM43 Secret Power
70 100% 20 Has a 30% chance to inflict a status effect which depends upon the terrain.
TM44 Rest
5 User sleeps for two turns, completely healing itself.
TM45 Attract
100% 15 Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user.
TM46 Thief
60 100% 25 Takes the target's item.

Tutor Moves

Emerald
Name Class Power Acc. PP Effect
Body Slam
85 100% 15 Has a 30% chance to paralyze the target.
Dynamic Punch
100 50% 5 Has a 100% chance to confuse the target.
Endure
10 Prevents the user's HP from lowering below 1 this turn.
Explosion
250 100% 5 User faints.
Fire Punch
75 100% 15 Has a 10% chance to burn the target.
Ice Punch
75 100% 15 Has a 10% chance to freeze the target.
Mimic
10 Copies the target's last used move.
Mud Slap
20 100% 10 Has a 100% chance to lower the target's accuracy by one stage.
Sleep Talk
10 Randomly uses one of the user's other three moves. Only works if the user is sleeping.
Snore
50 100% 15 Has a 30% chance to make the target flinch. Only works if the user is sleeping.
Substitute
10 Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks.
Swagger
85% 15 Raises the target's Attack by two stages and confuses the target.
Thunder Punch
75 100% 15 Has a 10% chance to paralyze the target.
FireRed/LeafGreen
Name Class Power Acc. PP Effect
Body Slam
85 100% 15 Has a 30% chance to paralyze the target.
Explosion
250 100% 5 User faints.
Mimic
10 Copies the target's last used move.
Substitute
10 Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks.

Base Stats

Hp 105
Attack 105
Defense 75
Sp. Atk 65
Sp. Def 100
Speed 50
Total 500

Type Defenses

(vs. Gen 6+ rules)

0.5x
0.5x
0.5x
2x
2x
0.5x
0.5x