Best Pokémon to defeat Shadow Grimer in Pokémon GO

The strongest Pokémon to use against Shadow Grimer are: Shadow Mewtwo, Primal Groudon, Mega Garchomp, Mega Alakazam, Shadow Groudon, Therian Forme Landorus, and Mega Latios. We suggest a minimum group size of 1 - 3 Trainers to defeat Shadow Grimer in a 3-Star Raid.

Simulation settings

Best counter 👑

Shadow Mewtwo

Confusion / Psystrike *

#1

Primal Groudon

Mud Shot / Precipice Blades *

#2

Mega Garchomp

Mud Shot / Earth Power *

#3

Mega Alakazam

Confusion / Psychic *

#4

Shadow Groudon

Mud Shot / Precipice Blades *

#5

Therian Forme Landorus

Mud Shot / Sandsear Storm *

#6

Mega Latios

Zen Headbutt / Psychic

#7

#	Name	Fast Attack	Charged Attack	DPS	TDO	Faints	TTW	Score
1.	Shadow Mewtwo	Confusion	Psystrike *	68.71	1722.4	2	59s	138.0
2.	Primal Groudon	Mud Shot	Precipice Blades *	59.22	2586.1	1	68s	134.2
3.	Mega Garchomp	Mud Shot	Earth Power *	53.91	2748.8	1	75s	126.4
4.	Mega Alakazam	Confusion	Psychic *	63.02	1489.3	2	64s	125.0
5.	Shadow Groudon	Mud Shot	Precipice Blades *	54.89	2084.7	1	73s	120.7
6.	Therian Forme Landorus	Mud Shot	Sandsear Storm *	51.24	2582.1	1	79s	119.8
7.	Mega Latios	Zen Headbutt	Psychic	55.40	1913.2	2	73s	119.3
8.	Mewtwo	Confusion	Psystrike *	57.01	1706.8	2	71s	119.0
9.	Mega Gallade	Confusion	Psychic	56.71	1685.0	2	71s	118.2
10.	Mega Rayquaza	Dragon Tail	Dragon Ascent	50.08	2294.2	1	80s	114.7
11.	Shadow Garchomp	Mud Shot	Earth Power *	51.15	1930.2	2	79s	112.3
12.	Mega Gardevoir	Confusion	Psychic	56.83	1242.8	3	71s	110.8
13.	Shadow Metagross	Zen Headbutt	Psychic	51.91	1698.6	2	78s	110.5
14.	Dawn Wings Necrozma	Psycho Cut	Moongeist Beam	48.54	2120.3	1	83s	110.0
15.	Hoopa Unbound	Confusion	Psychic	54.43	1397.1	2	74s	109.9
16.	Shadow Latios	Zen Headbutt	Psychic	54.21	1396.6	2	74s	109.6
17.	Shadow Excadrill	Mud-Slap	Scorching Sands	53.26	1467.1	2	76s	109.2
18.	Dusk Mane Necrozma	Psycho Cut	Sunsteel Strike	48.64	1926.5	2	83s	107.9
19.	Mega Latias	Zen Headbutt	Psychic	47.90	1999.9	2	84s	107.5
20.	Shadow Rhyperior	Mud-Slap	Earthquake	49.24	1773.4	2	82s	107.0
21.	Lunala	Confusion	Psychic	45.65	2280.8	1	88s	106.6
22.	Shadow Mamoswine	Mud-Slap	High Horsepower	50.82	1512.8	2	79s	106.0
23.	Groudon	Mud Shot	Precipice Blades *	45.80	2071.6	1	88s	104.6
24.	Shadow Alakazam	Confusion	Psychic *	56.40	919.9	4	71s	103.2
25.	Mega Swampert	Mud Shot	Earthquake	44.26	2097.9	1	91s	102.1
26.	Shadow Golurk	Mud-Slap	Earth Power	45.93	1535.3	2	88s	98.2
27.	Hoopa Confined	Confusion	Psychic	45.98	1518.9	2	88s	98.1
28.	Shadow Gallade	Confusion	Psychic	50.50	1082.4	3	80s	98.1
29.	Incarnate Forme Landorus	Mud Shot	Earth Power	41.71	2132.8	1	96s	97.9
30.	Garchomp	Mud Shot	Earth Power *	42.38	1906.7	2	95s	96.7

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Group size

You need at least 1 Trainers to defeat a Shadow Grimer in a 3-Star Raid.

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Minimum group size: 1 Trainers
Optimal group size: 2 - 3 Trainers
Very easy with: 4+ Trainers

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Shadow Grimer CP range from Raids

Shadow Grimer can be caught with the following Combat Power after being defeated in Raids:

From 690 CP to 785 CP, with no weather boost
From 862 CP to 981 CP with Cloudy weather boost

Shadow Grimer weaknesses

Shadow Grimer type chart

When fighting Shadow Grimer, keep in mind the that Poison-type Pokémon are weak to Ground and Psychic-type moves. They take reduced damage from Bug, Fairy, Fighting, Grass, and Poison-type moves.

Shadow Grimer takes increased damage from:
+60.0%	Ground Psychic

Shadow Grimer takes reduced damage from:
-37.5%	Bug Fairy Fighting Grass Poison

Best move-types and best weather for defeating Shadow Grimer

Move-type	Usage (%)	Weather
Psychic	206.0%	Windy
Ground	124.0%	Sunny
Dragon	12.0%	Windy
Fire	12.0%	Sunny
Flying	8.0%	Windy
Normal	8.0%	Partly Cloudy
Dark	8.0%	Fog
Ghost	6.0%	Fog
Ice	6.0%	Snow
Steel	4.0%	Snow
Water	4.0%	Rain
Rock	2.0%	Partly Cloudy

About our ranking methodology

Our guide provides detailed information on recommended Pokémon and moves that are most effective against Shadow Grimer in Raid Battles. Whether you're looking for the best counters to take Shadow Grimer down quickly with high DPS, or the tankiest counters that can withstand its attacks, our guide has something for every trainer.

This guide displays a list of best Shadow Grimer counters in Pokémon GO with their Fast Attacks, Charged Attacks, DPS (damage per second), TDO (total damage output), faints, TTW (time to win), and score. The list is sorted by the score, which is calculated based on the DPS and TDO. Each Pokemon's move type is indicated by an icon beside the move name.

When calculating the best counters for any Pokémon, our simulator takes into account various factors, such as the defender's typing and average DPS against each attacker, the weather's influence, energy left over from using charge attacks, Shadow Pokémon attack and defense stat changes, and more. During the initial phase of simulations, we calculate DPS and TDO for each attacker that is currently available in the game, and then we continue to rank them.

We use a ranking method developed by a Reddit user named /u/Elastic_Space, which is described in detail in this Reddit post. It is a fairly complicated, but very well thought-out mathematical model for predicting simulation results without actually running the simulations. It also correlates with field data almost too well not to be used. Reddit

Our Time to Win (TTW) and Faint numbers are also estimated, and should be taken with a grain of salt. Since we do not account for factors like Friendship and Mega damage boost, they will differ from actual experience in the field.