Muk
Gold

They love to gath­ er in smelly areas where sludge ac­ cumulates, making the stench around them worse.

Silver

Its body is made of a powerful poi­ son. Touching it accidentally will cause a fever that requires bed rest.

Crystal

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

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 N/A in Gen II

Held Items

None in this generation.

Game Locations

  • Celadon City Area
  • Kanto Route 16 Area
  • Kanto Route 17 Area
  • Kanto Route 18 Area

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

Gold/Silver
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.
23 Minimize
10 Raises the user's evasion by two stages.
31 Screech
85% 40 Lowers the target's Defense by two stages.
33 Harden
30 Raises the user's Defense by one stage.
37 Disable
100% 20 Disables the target's last used move for 1-8 turns.
45 Sludge
65 100% 20 Has a 30% chance to poison the target.
45 Acid Armor
20 Raises the user's Defense by two stages.
60 Sludge Bomb
90 100% 10 Has a 30% chance to poison the target.
Crystal
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.
23 Minimize
10 Raises the user's evasion by two stages.
31 Screech
85% 40 Lowers the target's Defense by two stages.
33 Harden
30 Raises the user's Defense by one stage.
37 Disable
100% 20 Disables the target's last used move for 1-8 turns.
45 Sludge
65 100% 20 Has a 30% chance to poison the target.
45 Acid Armor
20 Raises the user's Defense by two stages.
60 Sludge Bomb
90 100% 10 Has a 30% chance to poison the target.

TM/HM Moves

Gold/SilverCrystal
Name Class Power Acc. PP Effect
TM01 Dynamic Punch
100 50% 5 Has a 100% chance to confuse the target.
TM03 Curse
10 Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.
TM06 Toxic
90% 10 Badly poisons the target, inflicting more damage every turn.
TM07 Zap Cannon
120 50% 5 Has a 100% chance to paralyze the target.
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.
TM13 Snore
50 100% 15 Has a 30% chance to make the target flinch. Only works if the user is sleeping.
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.
TM19 Giga Drain
75 100% 10 Drains half the damage inflicted to heal the user.
TM20 Endure
10 Prevents the user's HP from lowering below 1 this turn.
TM21 Frustration
100% 20 Power increases as happiness decreases, up to a maximum of 102.
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.
TM31 Mud Slap
20 100% 10 Has a 100% chance to lower the target's accuracy by one stage.
TM32 Double Team
15 Raises the user's evasion by one stage.
TM33 Ice Punch
75 100% 15 Has a 10% chance to freeze the target.
TM34 Swagger
85% 15 Raises the target's Attack by two stages and confuses the target.
TM35 Sleep Talk
10 Randomly uses one of the user's other three moves. Only works if the user is sleeping.
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.
TM41 Thunder Punch
75 100% 15 Has a 10% chance to paralyze the target.
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.
TM48 Fire Punch
75 100% 15 Has a 10% chance to burn the target.

Tutor Moves

Crystal
Name Class Power Acc. PP Effect
Flamethrower
90 100% 15 Has a 10% chance to burn the target.
Thunderbolt
90 100% 15 Has a 10% chance to paralyze the target.

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