Is Tapu Koko viable in Gen 8 National Dex?

Tapu Koko is ranked #3 in Gen 8 National Dex with 19.41% usage according to Smogon Feb 2026 - Apr 2026 data.

What beats Tapu Koko in Gen 8 National Dex?

The best counter for Tapu Koko in Gen 8 National Dex is Ferrothorn with a 71.9% win rate when they meet. Based on Smogon's Feb 2026 - Apr 2026 usage data, the top Pokémon that beat Tapu Koko include Ferrothorn, Swampert-Mega, Chansey, Tapu Koko, Greninja.

What is the best counter for Tapu Koko in Gen 8 National Dex?

Ferrothorn is the best counter for Tapu Koko in Gen 8 National Dex, KOing or forcing it out in 71.9% of their encounters.

Tapu Koko counters

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

#0785 Tapu Koko

ElectricFairy

USAGE 19.4% #3

ABILITYElectric Surge

BASE STATS

HP 70

ATK 115

DEF 85

SPA 95

SPD 75

SPE 130

BST570

TYPE MATCHUPS

2×

PoisonGround

½×

ElectricFightingFlyingBugDark

0×

Dragon

Moves

Dazzling Gleam 78.7% Volt Switch 73.8% Thunderbolt 67.0% Hidden Power Ice 61.2% Taunt 27.4% Grass Knot 25.6% Roost 19.5% U-turn 17.7%

Items

Choice Specs 42.1% Electrium Z 26.8% Heavy-Duty Boots 13.1% Fairium Z 9.6% Light Clay 3.1% Life Orb 1.9% Terrain Extender 1.8% Tapunium Z 0.4%

Abilities

Electric Surge100.0%Telepathy0.0%

Common Teammates

Landorus-Therian62.5%

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Ferrothorn

GrassSteel DEFENSIVE COUNTER

25.964

71.9% dies 8.82%

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Ferrothorn in Electric Terrain: 82-97 (23.2 - 27.5%) -- possible 5HKO

View Ferrothorn counters → Teams with Ferrothorn →

Swampert-Mega

WaterGround OFFENSIVE CHECK

20.476

63.5% dies 10.64%

DAMAGE CALCElectric Terrain

252+ Atk Swampert-Mega Earthquake vs. 252 HP / 0 Def Tapu Koko: 458-540 (133.1 - 156.9%) -- guaranteed OHKO

View Swampert-Mega counters → Teams with Swampert-Mega →

Chansey

Normal SOFT CHECK

23.71

52.3% dies 10.26%

DAMAGE CALCElectric Terrain

Chansey Seismic Toss vs. 252 HP Tapu Koko: 100-100 (29 - 29%) -- guaranteed 4HKO

View Chansey counters → Teams with Chansey →

Tapu Koko

ElectricFairy SOFT CHECK

20.579

46.2% dies 10.99%

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Dazzling Gleam vs. 252 HP / 252+ SpD Tapu Koko: 150-177 (43.6 - 51.4%) -- 6.6% chance to 2HKO

View Tapu Koko counters → Teams with Tapu Koko →

Greninja

WaterDark SOFT CHECK

49.054

44.7% dies 9.49%

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Greninja Hydro Pump vs. 252 HP / 252+ SpD Tapu Koko: 217-256 (63 - 74.4%) -- guaranteed 2HKO

View Greninja counters → Teams with Greninja →

Rillaboom

Grass SOFT CHECK

20.316

44.2% dies 11.02%

DAMAGE CALCGrassy Terrain

252+ Atk Choice Band Rillaboom Wood Hammer vs. 252 HP / 0 Def Tapu Koko in Grassy Terrain: 466-550 (135.4 - 159.8%) -- guaranteed OHKO

View Rillaboom counters → Teams with Rillaboom →

Gliscor

GroundFlying SOFT CHECK

24.213

42.2% dies 10.04%

DAMAGE CALCElectric Terrain

252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Tapu Koko: 332-392 (96.5 - 113.9%) -- 81.3% chance to OHKO

View Gliscor counters → Teams with Gliscor →

Landorus-Therian

GroundFlying SOFT CHECK

107.725

38.4% dies 6.55%

DAMAGE CALCElectric Terrain

252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Tapu Koko: 446-528 (129.6 - 153.4%) -- guaranteed OHKO

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

Zapdos

ElectricFlying SOFT CHECK

56.237

20.0% dies 5.33%

DAMAGE CALCElectric Terrain

252+ SpA Zapdos Heat Wave vs. 252 HP / 252+ SpD Tapu Koko: 96-113 (27.9 - 32.8%) -- guaranteed 4HKO

View Zapdos counters → Teams with Zapdos →

Tapu Fini

WaterFairy SOFT CHECK

30.341

16.6% dies 6.75%

DAMAGE CALCMisty Terrain

Tapu Fini Nature's Madness vs. 252 HP Tapu Koko: 172-172 (50 - 50%) -- guaranteed 2HKO

View Tapu Fini counters → Teams with Tapu Fini →

Sableye-Mega

DarkGhost SOFT CHECK

22.363

12.5% dies 6.98%

DAMAGE CALCElectric Terrain

Sableye-Mega Night Shade vs. 252 HP Tapu Koko: 100-100 (29 - 29%) -- guaranteed 4HKO

View Sableye-Mega counters → Teams with Sableye-Mega →

Ranked #3 with 19.41% usage. Sorted by reliability score.