
Grimer
The crystals on Grimer's body are lumps of toxins. If one falls off, lethal poisons leak out.
How to Evolve Grimer in Cobblemon
View Full Evolution Guide- To evolve Grimer into Muk (Alolan) in Cobblemon, meet these requirements: Must level up · Must reach level 38.

Muk (Alolan)level upMethod: level up
Learnable moves: venomdrench
Consumes held item: No
Requirements:
- Must reach level 38
Base Stats & EV Yield
Generic Info
- Height
- 0.7m
- Weight
- 42kg
- Catch Rate
- 190/255Easy
- Base Friendship
- 50
- Experience Group
- medium_fast
- Base Experience
- 65
- Hitbox
- 1.25w x 1.25h - Fixed: No
- Status
- Implemented
Abilities
- #2
- gluttony
- #3
- powerofalchemyHidden
Drops
Grimer can drop Slime Ball, Black Sludge, and Toxic Orb. The table uses 3 drop rolls; percentages are per roll, not guaranteed drops. Quantity ranges show the possible item count for that entry.
Breeding
- Egg Groups
- Amorphous
- Egg Cycles
- 20
- Gender Ratio
- 50.0% M / 50.0% F
Behavior
- Movement
- Can Walk on Water
- Yes
- Herd
- Max Size
- 2
- Tolerated Leaders
- Grimer AlolanTier 1Muk AlolanTier 2
- Combat
- Will Defend Owner
- Yes
- Resting
- Times
- any
- Drowsy Chance
- 0.0014
- Rouse Chance
- 0.0042
Forms & Variants
Choose a Grimer form or feature-driven variant.
Active aspects
Where does Grimer spawn in Cobblemon?
Grimer (Alolan Form) has 3 natural spawn entries in the current Cobblemon data. It can appear from level 8 to 33. Listed biome tags include overworld-tagged biomes, nether toxic-tagged biomes. At least one entry has a night modifier. Some entries also require specific skylight levels.
Habitat encounters
Grimer is not currently listed in a habitat pool.
What moves does Grimer learn?
Grimer has 137 listed moves: 27 level-up, 70 TM, 11 egg, 29 tutor.
As an Alpha
Full Alpha guideWhat Grimer becomes as a Cobblemon 1.8 Alpha
Size
≈ ×1.54 larger
Marks
Level vs your party
Guaranteed moves
Normal wild moveset plus two guaranteed TM moves (slots 3 & 4)
Drops if defeated
Base rewards scale with its level; its poison / dark typing adds bonus gems & berries.
Base drops Tier 4
- Exp Candy L×119%
- Exp Candy Xl×125%
- Rare Candy×16%
- Health Candy×18%
- Mighty Candy×18%
- Tough Candy×18%
- Smart Candy×18%
- Courage Candy×18%
- Quick Candy×18%
Type drops
- Poison Gem×2–3
- Kebia Berry×1–2
- Dark Gem×2–3
- Colbur Berry×1–2


