Pokémon-specific weakness guide
Mega Gyarados Weaknesses and Counters
This guide explains Mega Gyarados's defensive profile, including every weakness, resistance, immunity, and practical counter type based on its Water / Dark typing.
Mega Gyarados
#0130
Resistances (6)
Immunities (1)
Battle notes
- Mega Gyarados's Water / Dark typing is best attacked with Electric (2x), Grass (2x), Fighting (2x). Start with those attacking types when choosing moves or counter Pokémon.
- Avoid relying on common Psychic, Fire, Water, Ice attacks unless they have unusually high power or a secondary purpose, because Mega Gyarados 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 Gyarados's base defensive typing is Water / Dark. 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 Gyarados weak to?
Mega Gyarados is weak to Electric (2x), Grass (2x), Fighting (2x), Bug (2x), Fairy (2x).
Which attacking types are most practical against Mega Gyarados?
Electric, Grass, Fighting, Bug, and Fairy are tied as the strongest attacking types against Mega Gyarados, each dealing 2x damage.
Does Mega Gyarados'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.