Type matchups and best counters for Slugma in Pokémon Polished Crystal. Learn which Pokémon can effectively counter Slugma and what types to use against it.
Types that deal increased damage to Slugma. Use these types to counter it effectively.
Types that Slugma resists or is immune to. Avoid using these types against it.
Pokémon that have type advantages against Slugma, either offensively or defensively.