Pokémon-specific weakness guide
Diancie-Mega Weaknesses and Counters
This guide explains Diancie-Mega's defensive profile, including every weakness, resistance, immunity, and practical counter type based on its Rock / Fairy typing.

Diancie-Mega
#0719
Resistances (5)
Immunities (1)
Battle notes
- Diancie-Mega's Rock / Fairy typing is best attacked with Steel (4x), Water (2x), Grass (2x). Start with those attacking types when choosing moves or counter Pokémon.
- Avoid relying on common Dragon, Normal, Fire, Flying attacks unless they have unusually high power or a secondary purpose, because Diancie-Mega 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 counters
Defensive typing summary
Diancie-Mega's base defensive typing is Rock / Fairy. 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 Diancie-Mega weak to?
Diancie-Mega is weak to Steel (4x), Water (2x), Grass (2x), Ground (2x).
Which attacking types are most practical against Diancie-Mega?
Steel is the strongest listed attacking type against Diancie-Mega at 4x damage. Use the example counter Pokémon section for practical users of that type.
Does Diancie-Mega'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.