The Lissome Pokemon. Pheromosa is a Bug/Fighting Ultra Beast with 151 Speed and 137 Attack. Beast Boost snowballs after every KO. Glass cannon with paper-thin defenses.
Ability 1Beast BoostAbility 1Raises this Pokémon's highest stat by one stage when it faints another Pokémon.
570HP71Attack137Defense37Speed151Sp.Def37Sp.Atk137
Weak to
Mixed
Sweeper
151Speed · Extreme

Pheromosa Best Moveset

151 Speed is the fastest among all competitive Pokemon, and 137 in both Attack and Sp. Atk mean the moveset hits from either side at maximum pace. AbilityBeast Boost raises the highest stat after each KO, snowballing speed or power. Bug/Fighting TermStab covers Dark, Psychic, and Grass. S-tier because nothing outruns it.

SABCDEFSSSun & Moon / USUMVIISM/USUMPEAKSword & Shield / BDSPVIIISS/BDSPCURRENT
Consistently S-Tier across all generations
★Gen VII — Sun & Moon / USUMS

137 Speed and 137 Attack with Beast Boost in Gen VII (Sun & Moon). Close Combat and U-turn pivoting from the fastest Fighting-type ever printed. Banned from standard play immediately.

Z-Moves became available

Best Moves

SRCMOVETYPECATPWRPOPROLE
TM13
Ice Beam
Ice90COMMONCoverage
TM89
U-turn
Bug70COMMONSTAB
Lv 67
High Jump Kick
Fighting130COMMONSTAB
TM84
Poison Jab
Poison80COMMONCoverage
Lv 53
Bug Buzz
Bug90RARESTAB
Lv 47
Lunge
Bug80RARESTAB
Lv 1
Rapid Spin
Normal50RARECoverage
Lv 1
Low Kick
Fighting—RARESTAB

Best Build

Experimental
Physical Sweeper
Ability
Beast Boost
Item
Life OrbPOWER
Best Nature for Pheromosa
Hasty+SPE

Pheromosa best EVs are Attack and Speed

EVs

Physical Sweeper Moveset

  • Ice Beam
  • U TurnSTAB
  • High Jump KickSTAB
  • Poison Jab
→Gen VIII — Sword & Shield / BDSPS

Two gens in the restricted format in Gen VIII (Sword & Shield). 37 Defense meant any hit could KO, but 137 Speed ensured Pheromosa usually hit first.

Gigantamax became availableDynamax became available
SRCMOVETYPECATPWRPOPROLE
Tutor
Triple Axel
Ice20COMMONCoverage
TM56
U-turn
Bug70COMMONSTAB
TR53
Close Combat
Fighting120COMMONSTAB
Lv 70
High Jump Kick
Fighting130RARESTAB
TR95
Throat Chop
Dark80RARECoverage
TR57
Poison Jab
Poison80RARECoverage
Lv 1
Rapid Spin
Normal50RARECoverage
TR5
Ice Beam
Ice90RARECoverage
Experimental
Physical Sweeper
Ability
Beast Boost
Item
Focus SashSURVIVAL
Best Nature for Pheromosa
Jolly+SPE
EVs

Physical Sweeper Moveset

  • Triple Axel
  • U TurnSTAB
  • Close CombatSTAB
  • High Jump KickSTAB

Pheromosa Weakness

Pheromosa's Bug/Fighting typing leaves it vulnerable to Flying, Fire, Psychic, and Fairy. Flying hits land at 4x, so they're the biggest threat. It resists 5 types, giving it decent defensive coverage. At base 151 Speed, Pheromosa outspeeds most threats and doesn't need to tank what it can outrun.

Pheromosa Weakness and Resistance Chart
DamageTypes
4x (Critical)Flying
2x (Weak)Fire, Psychic, Fairy
0.5x (Resist)Grass, Fighting, Ground, Bug, Dark

What is Pheromosa Weak Against

Vulnerable
4Weak
5Resist
0Immune
Score-5
4xCritical
¼xResist
None
0xImmune
None

What is Pheromosa Strong Against

7Strong
4Resisted
0Immune
Score+3

Best Pokemon Against Pheromosa

Garchomp deals 41-49% with Earthquake.

B
B
B
B
B

Evolution

You won't breed Pheromosa or evolve it further. This Bug/Fighting type brings 570 total stats right out of the encounter. View every chain in the Evolution Chart.

How to Evolve

No Evolution
Pheromosa
#795Pheromosa
Does not evolve

Breeding

Unavailable
Undiscovered egg group

Shiny Pheromosa

Golden-hour Pheromosa adds a warm shimmer to the cockroach supermodel's white-and-gold frame. The shift isn't dramatic, but the warmer yellow tones suit the glamorous aesthetic. On a design this flashy already, even a small bump registers.

Normal vs Shiny
Normal PheromosaNormal
Shiny Pheromosa Shiny
Color ShiftWhite
Shiny TierB Tier Shiny

Shiny Pheromosa Evolution

Does Not Evolve
Pheromosa does not evolve
Single-stage PokemonView Full Evolution Chart

Shiny Pheromosa Odds & Hunting Methods

3 of 3 Verified
GameBest MethodOddsDifficulty
GameSword & Shield
MethodDynamax Adventure (Max Lair)Max LairBest odds require Crown Tundra DLC
Odds1/100
Difficulty
GameUltra Sun & Ultra Moon
MethodSoft Reset
Odds1/1365
Difficulty
No shiny in these games
This Pokemon has no obtainable shiny form here.
GameSun & Moon
MethodShiny locked
Odds—
Difficulty—
More dots = harder hunt1/200 Green = best verified rate
How do we research these odds?

We check every game where a shiny is possible, then rank each one by the best method available in that game, so the row at the top is the fastest route overall.

Odds marked verified are cross-checked against multiple independent sources before we publish them. Where a rate is not yet confirmed we mark the row pending rather than guess a number.

Read our full methodology

Pheromosa Locations

A few locations for Pheromosa across endgame routes. The list below shows no spawn rates for these spots, so pick the one that fits where you are in the game.

Best Locations to Catch Pheromosa in Sword & Shield

Max Lair
Lv.70Dynamax Adventure
Dynamax Adventure final boss

Base Stats

Pheromosa's all-in on Speed at the expense of Defense. The mixed lean is obvious from the bars. Yields 3 Speed EVs and follows a slow 1.25M XP grind.

Base Stats
Pseudo
HP71
C
Attack137
A
Defense37
F
Sp. Atk137
A
Sp. Def37
F
Speed151
S
Total570
Details
Catch Rate
Challenging45 / 255
Growth Rate
Slow1.25M XP
Height1.8 m
Weight25.0 kg
Base XP257
Abilities
Beast Boost
Raises this Pokémon's highest stat by one stage when it faints another Pokémon.
EV Yield
HPAtkDefSpASpDSpe+3
Strong Speed training target
Pokedex Entry

Although it’s alien to this world and a danger here, it’s apparently a common organism in the world where it normally lives.

Pokemon Ultra Moon

Pheromosa Guide

  • Use Pheromosa as a sweeper. Splits damage between physical and special. It outspeeds most threats,

  • Build your team around Groudon Primal. These have the highest co-usage rates with Pheromosa in competitive formats. They cover each other's weaknesses.

  • Run Jolly on Pheromosa. +Speed is what matters, and the -Sp. Atk cut doesn't hurt this set. Fits the sweeper role.

Game Availability

Introduced in Sun & Moon, Pheromosa has appeared in 3 games across 3 generations. Later debuts mean fewer total appearances, but it's been a consistent presence since its introduction.

Explore

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