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Amoonguss.

Gen 9 OU usage profile · rank #91
august 2026 · 730.5K battles
Amoonguss
grasspoisonPokédex entry
Usage · August 2026
0.4%
Amoonguss is ranked #91 in Gen 9 OU, carried by 10,243 teams
TierD · outside the top 60
Ladder rank#91 of 230
Raw count10,243
Viability ceiling90
Month on month-1.07pp
13 month peak1.5%
FormatGen 9 OU
Previous
#90 Talonflame
Next
#92 Iron Boulder
Tier list
Back to the Gen 9 OU tier list
sets and counters from 730.5K battles
Base statsspecies values, before EVs and natureBST 464
HP
114
Atk
85
Def
70
SpA
85
SpD
80
Spe
30
Usage over time0.4% 1.07pppeak 1.5% · Oct '25
0.61.01.41.7Aug '25Sep '25Nov '25Jan '26Mar '26May '26Jul '26Aug '26
hover a month for the exact figure · 13 months of ladder history

Most used set

34.3% of Amoonguss teams
HP
248
Atk
0
Def
252
SpA
0
SpD
8
Spe
0
NatureBold
AbilityRegenerator · 100.0%
ItemHeavy-Duty Boots · 82.4%
Tera typeSteel · 52.2%
Moves
Toxic94.6%
Foul Play90.7%
Synthesis82.0%
Clear Smog62.6%

Alternative spreads

over 5% usage
Bold248 HP / 244 Def / 16 SpD30.7%
Bold252 HP / 252 Def / 4 SpD14.1%

Moves

8 tracked
Toxic94.6%
Foul Play90.7%
Synthesis82.0%
Clear Smog62.6%
Sludge Bomb18.7%
Giga Drain12.2%
Protect11.4%
Stun Spore8.5%

Items

Heavy-Duty Boots82.4%
Eject Pack7.3%
Rocky Helmet7.3%

Tera types

Steel52.2%
Ghost18.9%
Water13.2%
Dark9.9%
Fairy2.5%

Abilities

Regenerator100.0%
Effect Spore0.0%

EV spreads

top 6
Bold248 HP / 252 Def / 8 SpD34.3%
Bold248 HP / 244 Def / 16 SpD30.7%
Bold252 HP / 252 Def / 4 SpD14.1%
Relaxed252 HP / 252 Def / 4 SpD7.6%
Calm248 HP / 164 Def / 96 SpD7.0%
Sassy248 HP / 204 Def / 56 SpD3.6%

Top teammates

share of teams

Best Amoonguss build for Gen 9 OU

The set above is the one Gen 9 OU players run most often, taken from 730,502 battles in August 2026. Amoonguss sits at rank #91 with 0.4% usage, which puts it in D tier, down 1.07 points on the month before.

These are usage numbers, not a recommendation from a council. A move at 90% is close to mandatory; anything under 30% is a tech pick that answers a specific matchup. Read the spreads the same way: the top spread is the safe default, and the alternatives usually trade bulk for speed or the other way round.

The checks and counters table is generated from real games rather than a type chart, so it accounts for items, Tera choices, and how often the matchup ends in a switch instead of a knockout.

Related
Gen 9 OU tier listEvery ranked PokémonAmoonguss Pokédex entryStats, moves, evolutionsAll formatsSmogon and VGC tier listsDamage calculatorRun this set through the calcTeam builderCoverage and weaknesses