Pokémon-specific weakness guide
Ogerpon (Wellspring Mask・Terastallized) Weaknesses and Counters
This guide explains Ogerpon (Wellspring Mask・Terastallized)'s defensive profile, including every weakness, resistance, immunity, and practical counter type based on its Grass / Water typing.

Ogerpon (Wellspring Mask・Terastallized)
#1017
Resistances (3)
Immunities (0)
Battle notes
- Ogerpon (Wellspring Mask・Terastallized)'s Grass / Water typing is best attacked with Poison (2x), Flying (2x), Bug (2x). Start with those attacking types when choosing moves or counter Pokémon.
- Avoid relying on common Water, Ground, Steel attacks unless they have unusually high power or a secondary purpose, because Ogerpon (Wellspring Mask・Terastallized) 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
Ogerpon (Wellspring Mask・Terastallized)'s base defensive typing is Grass / Water. 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 Ogerpon (Wellspring Mask・Terastallized) weak to?
Ogerpon (Wellspring Mask・Terastallized) is weak to Poison (2x), Flying (2x), Bug (2x).
Which attacking types are most practical against Ogerpon (Wellspring Mask・Terastallized)?
Poison, Flying, and Bug are tied as the strongest attacking types against Ogerpon (Wellspring Mask・Terastallized), each dealing 2x damage.
Does Ogerpon (Wellspring Mask・Terastallized)'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.