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Mega Aggron artwork

Mega Aggron Raid Guide

Steel

The best counters, weaknesses, and catch CP for beating Mega Aggron in Pokémon GO raids — computed from every attacker's stats and movepool in our imported game-data snapshot (dated below the counter table).

Contents
Catch CP (L20)
22842378
Raid IV floor is 10 — 2378 means a 100% IV catch.
Weather-boosted (L25)
28562973
Boosted in Snow weather.
Top weakness
FightingGroundFire
Fighting hits ×1.60.

Best counters

DPS and estimated total damage output (TDO) are computed against Mega Aggron's actual typing and Mega boss stats — each attacker's best fast + charged pairing, ranked by the combined DPS³ × TDO score. Only pairings whose charged move hits Mega Aggron super-effectively are shown. Legacy marks movesets that need an Elite TM. This is per-boss matchup math, not the neutral-target tier list. Full formula on the methodology page.

Source: pogoapi.net · Data snapshot: Aug 24, 2026 · 10,016 rows · Methodology

Weaknesses

Fighting×1.60
Ground×1.60
Fire×1.60

Mega Aggron's moves

DragonDragon Tail
fast
SteelIron Tail
fast
RockSmack Down
fast
RockMeteor Beam
charged
RockStone Edge
charged
ElectricThunder
charged
SteelHeavy Slam
charged
RockRock Tomb
charged

Dodge when the screen flashes — the charged moves above are what hit hardest.