Diancie-Mega counters

Gen 9 National Dex Ubers · Sorted by reliability score · Smogon · Feb 2026 - Apr 2026

#0719 Diancie-Mega

RockFairy

USAGE 2.9% #43

BASE STATS

HP 50

ATK 160

DEF 110

SPA 160

SPD 110

SPE 110

BST700

TYPE MATCHUPS

4×

Steel

2×

WaterGrassGround

½×

NormalFireFlyingBugDark

0×

Dragon

Moves

Moonblast 94.7% Earth Power 87.0% Diamond Storm 47.9% Explosion 33.9% Trick Room 32.0% Stealth Rock 31.2% Substitute 21.1% Spikes 12.2%

Items

Diancite 100.0%

Common Teammates

Ogerpon-Hearthflame42.3%

Groudon-Primal36.1%

Giratina-Origin25.1%

Kyurem-Black19.0%

Checks & Counters

Ranked by reliability — blends KO rate with how often each Pokémon is matched up.

# Checker Encounters Reliability KO Rate

01

Necrozma-Dusk-Mane

Necrozma-Dusk-Mane

PsychicSteel OFFENSIVE CHECK

23.407

91

91.1% dies 5.89%

DAMAGE CALC

0- Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Diancie-Mega: 532-628 (175 - 206.5%) -- guaranteed OHKO

View Necrozma-Dusk-Mane counters → Teams with Necrozma-Dusk-Mane →

02

Zacian-Crowned

FairySteel OFFENSIVE CHECK

31.654

84

83.7% dies 6.57%

DAMAGE CALC

+1 252+ Atk Zacian-Crowned Iron Head vs. 252 HP / 0 Def Diancie-Mega: 880-1044 (289.4 - 343.4%) -- guaranteed OHKO

View Zacian-Crowned counters → Teams with Zacian-Crowned →

03

Groudon-Primal

GroundFire OFFENSIVE CHECK

56.891

57

56.5% dies 9.16%

DAMAGE CALCHarsh Sunshine

252+ Atk Groudon-Primal Precipice Blades vs. 252 HP / 0 Def Diancie-Mega: 510-600 (167.7 - 197.3%) -- guaranteed OHKO

View Groudon-Primal counters → Teams with Groudon-Primal →

04

Yveltal

DarkFlying SOFT CHECK

68.816

13

13.4% dies 5.79%

DAMAGE CALC

0- Atk Life Orb Dark Aura Yveltal Foul Play vs. 252 HP / 0 Def Diancie-Mega: 109-130 (35.8 - 42.7%) -- guaranteed 3HKO

View Yveltal counters → Teams with Yveltal →

Ranked #43 with 2.91% usage. Sorted by reliability score.