Is Diancie-Mega viable in Gen 8 National Dex?

Diancie-Mega is ranked #17 in Gen 8 National Dex with 10.95% usage according to Smogon Apr 2026 - Jun 2026 data.

What beats Diancie-Mega in Gen 8 National Dex?

The best counter for Diancie-Mega in Gen 8 National Dex is Landorus-Therian with a 51.4% win rate when they meet. Based on Smogon's Apr 2026 - Jun 2026 usage data, the top Pokémon that beat Diancie-Mega include Landorus-Therian.

What is the best counter for Diancie-Mega in Gen 8 National Dex?

Landorus-Therian is the best counter for Diancie-Mega in Gen 8 National Dex, KOing or forcing it out in 51.4% of their encounters.

Diancie-Mega counters

Gen 8 National Dex · Sorted by reliability score · Smogon · Apr 2026 - Jun 2026

#0719 Diancie-Mega

RockFairy

USAGE 10.9% #17

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 99.1% Earth Power 81.0% Diamond Storm 74.6% Mystical Fire 65.1% Stealth Rock 19.6% Substitute 14.8% Endeavor 13.0% Power Gem 12.6%

Items

Diancite 100.0%

Common Teammates

Rillaboom51.1%

Heatran44.6%

Urshifu-Rapid-Strike35.1%

Landorus-Therian22.6%

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Landorus-Therian

GroundFlying SOFT CHECK

20.492

51.4% dies 11.04%

DAMAGE CALC

252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Diancie-Mega: 360-426 (118.4 - 140.1%) -- guaranteed OHKO

View Landorus-Therian counters → Teams with Landorus-Therian →

Ranked #17 with 10.95% usage. Sorted by reliability score.