Pokémon-specific weakness guide
Mega Mewtwo X Weaknesses and Counters
This guide explains Mega Mewtwo X's defensive profile, including every weakness, resistance, immunity, and practical counter type based on its Psychic / Fighting typing.
Mega Mewtwo X
#0150
Resistances (2)
Immunities (0)
None
Battle notes
- Mega Mewtwo X's Psychic / Fighting typing is best attacked with Flying (2x), Ghost (2x), Fairy (2x). Start with those attacking types when choosing moves or counter Pokémon.
- Avoid relying on common Fighting, Rock attacks unless they have unusually high power or a secondary purpose, because Mega Mewtwo X 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 with Effective Types
These are examples of Pokémon associated with super-effective attacking types, not a ranked competitive counter list.
Defensive typing summary
Mega Mewtwo X's base defensive typing is Psychic / Fighting. 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 Mega Mewtwo X weak to?
Mega Mewtwo X is weak to Flying (2x), Ghost (2x), Fairy (2x).
Which attacking types are most practical against Mega Mewtwo X?
Flying, Ghost, and Fairy are tied as the strongest attacking types against Mega Mewtwo X, each dealing 2x damage.
Does Mega Mewtwo X'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.