#0861 · Gen 8

Grimmsnarl — Best counters

Weaknesses

	Pokémon	Fast move	Charged move	Weather	Score
1	Zacian (Crowned)	steelMetal Claw	fairyPlay Rough	Overcast · partial	10012.0
2	Metagross (Mega)	steelBullet Punch	steelMeteor MashELITE	Snow	9611.5
3	Gardevoir (Mega)	fairyCharm	fairyDazzling Gleam	Overcast	9511.4
4	Beedrill (Mega)	poisonPoison Jab	poisonSludge Bomb	Overcast	9311.2
5	Deoxys (Attack)	poisonPoison Jab	electricZap Cannon	Rainy · partial	8710.4
6	Eternatus	poisonPoison Jab	poisonSludge Bomb	Overcast	8610.2
7	Gengar (Mega)	ghostHex	poisonSludge Bomb	Overcast · partial	8410.1
8	Metagross	steelBullet Punch	steelMeteor MashELITE	Snow	839.9
9	Enamorus (Incarnate)	fairyFairy Wind	fairyDazzling Gleam	Overcast	829.8
10	Naganadel	poisonPoison Jab	poisonSludge Bomb	Overcast	819.7
11	Lucario (Mega)	steelBullet Punch	fightingAura Sphere	Overcast · partial	809.6
12	Eternatus (Eternamax)	poisonPoison Jab	poisonSludge Bomb	Overcast	779.2
13	Alakazam (Mega)	fightingCounterELITE	fairyDazzling GleamELITE	Overcast	779.2
14	Nihilego	poisonPoison Jab	poisonSludge Bomb	Overcast	779.2
15	Diancie (Mega)	rockRock Throw	fairyMoonblast	Overcast · partial	769.1
16	Dialga	steelMetal Claw	steelIron Head	Snow	769.1
17	Roserade	poisonPoison Jab	poisonSludge Bomb	Overcast	758.9
18	Kyurem (White)	steelSteel Wing	fireFusion Flare	Clear · partial	758.9
19	Dialga (Origin)	steelMetal Claw	steelIron Head	Snow	748.9
20	Tapu Koko	normalQuick Attack	fairyNatures MadnessELITE	Overcast · partial	748.9

Grimmsnarl is weak to Poison (×1.6), Steel (×1.6), Fairy (×1.6).
Watch its Dark/Fighting/Fairy moves — counters like Metagross (Mega) and Deoxys (Attack) take super-effective damage from them.
Overcast weather boosts Fairy moves ×1.2 — the best time to battle Grimmsnarl.

Rankings are estimated cycle DPS (attack stat × move damage ÷ cycle time, with STAB and type effectiveness). Not a full battle simulation.