Is Coalossal viable in Gen 9 Ultramixandmega?

Coalossal is ranked #1 in Gen 9 Ultramixandmega with 71.37% usage according to Smogon Mar 2026 - May 2026 data.

What beats Coalossal in Gen 9 Ultramixandmega?

The best counter for Coalossal in Gen 9 Ultramixandmega is Coalossal with a 41.5% win rate when they meet. Based on Smogon's Mar 2026 - May 2026 usage data, the top Pokémon that beat Coalossal include Coalossal, Greedent.

What is the best counter for Coalossal in Gen 9 Ultramixandmega?

Coalossal is the best counter for Coalossal in Gen 9 Ultramixandmega, KOing or forcing it out in 41.5% of their encounters.

Coalossal counters

Gen 9 Ultramixandmega · Sorted by reliability score · Smogon · Mar 2026 - May 2026

#0839 Coalossal

RockFire

USAGE 71.4% #1

ABILITYUnaware

BASE STATS

HP 110

ATK 80

DEF 120

SPA 80

SPD 90

SPE 30

BST510

TYPE MATCHUPS

4×

WaterGround

2×

FightingRock

½×

NormalIcePoisonFlyingBugFairy

¼×

Fire

Moves

Recover 67.5% Chilly Reception 65.1% Rage Fist 63.4% Rapid Spin 61.5% Roost 33.0% Earthquake 30.7% Ruination 25.2% Court Change 20.1%

Items

Scolipite 82.4% Leftovers 5.1% Toxic Orb 3.1% Ability Shield 2.4% Sablenite 1.7% Crabominite 1.6% Salamencite 1.1% Tyranitarite 0.5%

Abilities

Unaware70.4%Poison Heal6.9%Shadow Shield6.0%Magic Guard4.2%Sap Sipper2.7%Intimidate1.9%Regenerator1.8%Dauntless Shield1.7%

Common Teammates

Checks & Counters

Ranked by reliability — blends KO rate with how often each Pokémon is matched up.

# Checker Encounters Reliability KO Rate

Coalossal

RockFire SOFT CHECK

34.149

41.5% dies 8.43%

DAMAGE CALC

252+ Atk Coalossal Earthquake vs. 252 HP / 0 Def Coalossal: 296-352 (69.8 - 83%) -- guaranteed 2HKO

View Coalossal counters → Teams with Coalossal →

Greedent

Normal SOFT CHECK

20.491

31.2% dies 10.23%

DAMAGE CALC

252+ Atk Greedent Earthquake vs. 252 HP / 0 Def Coalossal: 332-392 (78.3 - 92.4%) -- guaranteed 2HKO

View Greedent counters → Teams with Greedent →

Ranked #1 with 71.37% usage. Sorted by reliability score.