Weak toFightingGround ×2.56Water ×1.6

Attacker	Type	Moveset	DPS
Lucario	FightingSteel	Force PalmAura SphereLegacy	32.8
Pheromosa	BugFighting	Low KickFocus Blast	30.0
Terrakion	RockFighting	Double KickSacred SwordLegacy	29.9
Blaziken	FireFighting	CounterAura Sphere	29.7
Groudon	Ground	Mud ShotPrecipice BladesLegacy	27.6
Conkeldurr	Fighting	Force PalmFocus Blast	27.3
Keldeo	WaterFighting	Low KickSacred Sword	27.1
Breloom	GrassFighting	Force PalmDynamic Punch	27.0
Urshifu	Fighting	CounterDynamic Punch	26.8
Excadrill	GroundSteel	Mud SlapEarthquake	26.2
Marshadow	FightingGhost	CounterClose Combat	26.2
Mewtwo	Psychic	CounterFocus BlastLegacy	26.1

Overcast boosts the Fighting attacks above. Partly cloudy and Snow boost Bastiodon.

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

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

Questions people ask

What is Bastiodon weak to in Pokémon GO?

Bastiodon takes 2.56 times damage from Fighting and Ground, and 1.6 times from Water.

What's the best counter to Bastiodon?

Lucario with Force Palm and Aura Sphere, worth 32.8 damage per second against Bastiodon's own defense. The full ranking is above.