Weak toFlyingPoisonBugFireIce ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	61.1
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	52.3
Reshiram	DragonFire	Fire FangFusion FlareLegacy	50.8
Pheromosa	BugFighting	Bug BiteBug Buzz	47.6
Salamence	DragonFlying	Fire FangFly	46.8
Chandelure	GhostFire	Fire SpinOverheat	46.5
Moltres	FireFlying	Fire SpinFly	46.1
Cinderace	Fire	Fire SpinPyroball	45.8
Enamorus	FairyFlying	Fairy WindFly	45.6
Volcarona	BugFire	Fire SpinOverheat	45.4
Darmanitan	Fire	Fire FangOverheat	45.2
Yveltal	DarkFlying	GustOblivion WingLegacy	45.0

Clear boosts the Fire attacks above. Clear boosts Gossifleur.

Level 40, 15 attack IV, costed against Gossifleur's own defense and typing, one per evolution family.

Gossifleur's moveset, CP and shiny All counters Raid board

Questions people ask

What is Gossifleur weak to in Pokémon GO?

Gossifleur takes 1.6 times from Flying, Poison, Bug, Fire and Ice.

What's the best counter to Gossifleur?

Blacephalon with Incinerate and Mind Blown, worth 61.1 damage per second against Gossifleur's own defense. The full ranking is above.