Pokémon-specific weakness guide
Aggron-Mega Weaknesses and Counters
This guide explains Aggron-Mega's defensive profile, including every weakness, resistance, immunity, and practical counter type based on its Steel typing.

Aggron-Mega
#0306
Resistances (10)
Immunities (1)
Battle notes
- Aggron-Mega's Steel typing is best attacked with Fire (2x), Fighting (2x), Ground (2x). Start with those attacking types when choosing moves or counter Pokémon.
- Avoid relying on common Poison, Normal, Grass, Ice attacks unless they have unusually high power or a secondary purpose, because Aggron-Mega resists or ignores those matchups.
- This guide uses the modern Gen 6+ type chart only. Abilities, held items, Terastallization, weather, fields, and special move rules can still change real battle outcomes.
Best counter types
These attacking types hit the defender for super-effective damage under the modern Gen 6+ type chart.
Example Pokémon counters
Defensive typing summary
Aggron-Mega's base defensive typing is Steel. The weakness chart multiplies both types when a Pokémon has two types, so a matchup can become 4x, 2x, 1x, 0.5x, 0.25x, or 0x.
Related guides
FAQ
What is Aggron-Mega weak to?
Aggron-Mega is weak to Fire (2x), Fighting (2x), Ground (2x).
Which attacking types are most practical against Aggron-Mega?
Fire is the strongest listed attacking type against Aggron-Mega at 2x damage. Use the example counter Pokémon section for practical users of that type.
Does Aggron-Mega's ability change these weaknesses?
This page uses base defensive typing only. Abilities, held items, Terastallization, weather, fields, and special move rules can change actual battle outcomes.