Weak toFightingRockSteelDragonFairy ×1.6

Attacker	Type	Moveset	DPS
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	54.8
Lucario	FightingSteel	Force PalmAura SphereLegacy	43.1
Rayquaza	DragonFlying	Dragon TailBreaking SwipeLegacy	40.2
Haxorus	Dragon	Dragon TailBreaking SwipeLegacy	40.2
Palkia	WaterDragon	Dragon TailDraco Meteor	40.2
Salamence	DragonFlying	Dragon TailDraco Meteor	39.8
Pheromosa	BugFighting	Low KickFocus Blast	39.5
Tinkaton	FairySteel	Fairy WindGigaton HammerLegacy	39.4
Baxcalibur	DragonIce	Dragon BreathGlaive RushLegacy	39.4
Terrakion	RockFighting	Double KickSacred SwordLegacy	39.3
Blaziken	FireFighting	CounterAura Sphere	39.0
Dialga	SteelDragon	Metal ClawDraco Meteor	38.9

Windy boosts the Dragon attacks above. Snow and Windy boost Arctibax.

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

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

Questions people ask

What is Arctibax weak to in Pokémon GO?

Arctibax takes 1.6 times from Fighting, Rock, Steel, Dragon and Fairy.

What's the best counter to Arctibax?

Eternatus with Dragon Tail and Dynamax Cannon, worth 54.8 damage per second against Arctibax's own defense. The full ranking is above.