Pokémon-specific weakness guide
Gastrodon (East Sea) Weaknesses and Counters
This guide explains Gastrodon (East Sea)'s defensive profile, including every weakness, resistance, immunity, and practical counter type based on its Water / Ground typing.

Gastrodon (East Sea)
#0423
Resistances (4)
Immunities (1)
Battle notes
- Gastrodon (East Sea)'s Water / Ground typing is best attacked with Grass (4x). Start with those attacking types when choosing moves or counter Pokémon.
- Avoid relying on common Electric, Fire, Poison, Rock attacks unless they have unusually high power or a secondary purpose, because Gastrodon (East Sea) 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
Gastrodon (East Sea)'s base defensive typing is Water / Ground. 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 Gastrodon (East Sea) weak to?
Gastrodon (East Sea) is weak to Grass (4x).
Which attacking types are most practical against Gastrodon (East Sea)?
Grass is the strongest listed attacking type against Gastrodon (East Sea), dealing 4x damage.
Does Gastrodon (East Sea)'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.