PokeBonk Grimer
Pokemon · rank 73 of 79 League Pokemon · last checked 2026-10-20
PokeBonk Grimer is a Poison-type League Pokemon of uncommon rarity. It starts each run with Poison Gas, carries the Muddy Body passive and the Sludge Tide Ultimate, and evolves into Muk as you level up in a run. You unlock it with a League challenge and then catch it in a later run. Its Kit Score is 12.5, rank 73 of 79: D tier.
Grimer at a glance
| Pokedex number | #088 |
| Type | Poison |
| League rarity | Uncommon |
| Tier | D (Kit Score 12.5, rank 73 of 79) |
| Starting move | Poison Gas |
| Passive | Muddy Body |
| Ultimate | Sludge Tide |
| How to get it | League challenge, then a capture |
| Evolves | Muk at level 45 |
| Base stat total | 325 |
How to unlock Grimer in PokeBonk
Grimer joins your League in two steps. First, finish its League challenge; the counters add up across runs unless a goal says "in a single run":
- Poison 20,000 Pokemon.
Catching Grimer
Then Grimer can show up as a Wild Encounter in your next runs, 50 to 120 seconds into a zone. It runs away after 150 seconds, so weaken it and throw a Poke Ball before then. The PokeBonk unlock Pokemon guide lists every challenge.
Grimer moves in PokeBonk
Each League Pokemon has a fixed kit of four moves. Move 1 is equipped from the start; moves 2, 3 and 4 are offered as new-move cards at player levels 2, 4 and 7. A run holds three moves until you buy the 4th move slot in the Lab. Hit damage below is the move's base hit at level 1 before your stats, items and type bonus; cooldowns shrink with attack speed.
| Slot | Move | Type | Class | Shape | Unlocks | Base hit | Cooldown |
|---|---|---|---|---|---|---|---|
| 1 | Poison Gas | Poison | Special | Trail | Start | 8 | 0.25 s |
| 2 | Sludge | Poison | Special | Explosive orb | Level 2 | 19 | 1.33 s |
| 3 | Shadow Sneak | Ghost | Physical | Charge | Level 4 | 23 | 1.66 s |
| 4 | Belch | Poison | Special | Cone | Level 7 | 6 | 2 s |
Grimer passive: Muddy Body
-15% damage taken. When hit, you leave a toxic puddle for 4 s that poisons and traps anyone who steps in it. Like Muk, the puddles are bigger.
Poison Gas, Sludge, and Belch match Grimer's type, so they deal 25% more damage (same-type bonus). Moves can also be learned from its learnset and from other League members of the same type, which the PokeBonk beginner guide explains.
Grimer Ultimate in PokeBonk
Grimer's Ultimate gets stronger as the line evolves: each form has its own version. Press R (Y on a controller) when the bar is full, or turn on Auto Ultimate with the Y key. The PokeBonk Ultimate guide explains how the bar charges.
| Form | Ultimate | Duration | What it does |
|---|---|---|---|
| Grimer | Sludge Tide | 1.8 s | A wave of mud spreads out from you in a circle up to 14 m, poisons everyone and leaves toxic puddles. |
| Muk | Gulp | 2.8 s | You melt into a giant 9 m puddle that pulls in, poisons and traps for 2 s, and bursts into mud geysers. |
Grimer evolution levels in PokeBonk
In PokeBonk every evolution happens by player level inside a run, whatever the main games ask for. The Grimer line evolves like this: Grimer evolves into Muk at level 45.
Grimer stats in runs
The game turns base stats into run stats with the share of each stat in the base stat total, so a balanced Pokemon and a lopsided one end up with different strengths. Each evolution stage adds 0.12 to the HP and damage multiplier. These are the starting values before Lab upgrades, items and vitamins:
| Form | Stage | Max HP | Armor | Speed | Physical | Special | Damage |
|---|---|---|---|---|---|---|---|
| Grimer | 0 | 136 | 8.3 | 0.98x | 1.12x | 0.97x | 1x |
| Muk | 1 | 142 | 9 | 0.99x | 1.07x | 0.98x | 1.12x |
Grimer base stats
Base stats from the game's Pokedex file (base stat total 325):
| HP | Attack | Defense | Sp. Atk | Sp. Def | Speed |
|---|---|---|---|---|---|
| 80 | 80 | 50 | 40 | 50 | 25 |
PokeBonk Grimer FAQ
How do you unlock Grimer in PokeBonk?
Finish its League challenge (poison 20,000 Pokemon), then catch it when it appears as a Wild Encounter in a later run.
Is Grimer good in PokeBonk?
By Kit Score it ranks 73 of 79 League Pokemon, in D tier. The score reads its kit damage, HP, armor and speed at its final form; passives that trigger effects and the Ultimate are not counted, so see the tier list for the method.
When does Grimer evolve in PokeBonk?
Grimer evolves into Muk at level 45. Evolution only depends on your player level in the run.
What is Grimer's Ultimate?
Sludge Tide. Fire it with R on a keyboard or Y on a controller once the bar is full.
See where all 151 Pokemon land on the PokeBonk tier list, or browse the full PokeBonk Pokedex.