Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Venusaur-Mega
GrassPoison
DEFENSIVE COUNTER
61.866
85.8%
dies 5.80%
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Venusaur-Mega: 44-52 (12 - 14.2%) -- possible 7HKO
02
Melmetal
Steel
DEFENSIVE COUNTER
65.871
81.4%
dies 8.29%
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Melmetal: 64-76 (13.5 - 16%) -- possible 7HKO
03
Heatran
FireSteel
OFFENSIVE CHECK
24.622
71.7%
dies 9.08%
▾
252+ SpA Heatran Flash Cannon vs. 252 HP / 252+ SpD Clefable: 222-264 (56.3 - 67%) -- guaranteed 2HKO after Leftovers recovery
04
Ursaluna
GroundNormal
OFFENSIVE CHECK
29.827
67.1%
dies 8.60%
▾
252+ Atk Ursaluna Headlong Rush vs. 252 HP / 0 Def Clefable: 295-348 (74.8 - 88.3%) -- guaranteed 2HKO after Leftovers recovery
05
Ogerpon-Wellspring
GrassWater
OFFENSIVE CHECK
52.277
63.8%
dies 9.34%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Power Whip vs. 252 HP / 0 Def Clefable: 316-373 (80.2 - 94.6%) -- guaranteed 2HKO after Leftovers recovery
06
Gholdengo
SteelGhost
OFFENSIVE CHECK
257.788
63.4%
dies 4.36%
▾
252+ SpA Gholdengo Make It Rain vs. 252 HP / 252+ SpD Clefable: 338-402 (85.7 - 102%) -- 12.5% chance to OHKO
07
Ferrothorn
GrassSteel
DEFENSIVE COUNTER
41.981
62.8%
dies 10.01%
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Ferrothorn: 45-53 (12.7 - 15%)
08
Scizor-Mega
BugSteel
OFFENSIVE CHECK
37.707
60.2%
dies 7.97%
▾
252+ Atk Technician Scizor-Mega Bullet Punch vs. 252 HP / 0 Def Clefable: 312-368 (79.1 - 93.4%) -- guaranteed 2HKO after Leftovers recovery
09
Clodsire
PoisonGround
DEFENSIVE COUNTER
26.677
59.0%
dies 9.52%
▾
0- Atk Clefable Knock Off (97.5 BP) vs. 252 HP / 0 Def Clodsire: 71-84 (15.3 - 18.1%) -- possible 6HKO
10
Tapu Lele
PsychicFairy
OFFENSIVE CHECK
25.872
58.6%
dies 9.68%
▾
252+ SpA Tapu Lele Psyshock vs. 252 HP / 0 Def Clefable in Psychic Terrain: 243-286 (61.6 - 72.5%) -- guaranteed 2HKO after Leftovers recovery
11
Volcarona
BugFire
OFFENSIVE CHECK
21.763
57.8%
dies 10.59%
▾
252+ SpA Volcarona Flamethrower vs. 252 HP / 252+ SpD Clefable: 129-153 (32.7 - 38.8%) -- 4.7% chance to 3HKO after Leftovers recovery
12
Hatterene
PsychicFairy
OFFENSIVE CHECK
24.111
55.3%
dies 10.13%
▾
252+ SpA Hatterene Psyshock vs. 252 HP / 0 Def Clefable: 193-228 (48.9 - 57.8%) -- 56.3% chance to 2HKO after Leftovers recovery
13
Kingambit
DarkSteel
DEFENSIVE COUNTER
165.318
55.2%
dies 6.20%
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Kingambit: 109-130 (26.9 - 32.1%) -- guaranteed 4HKO
14
Charizard-Mega-X
FireDragon
SOFT CHECK
57.541
50.8%
dies 8.93%
▾
252+ Atk Tough Claws Charizard-Mega-X Flare Blitz vs. 252 HP / 0 Def Clefable: 363-427 (92.1 - 108.3%) -- 50% chance to OHKO
15
Terapagos
Normal
SOFT CHECK
53.584
48.8%
dies 9.64%
▾
252+ Atk Terapagos Rapid Spin vs. 252 HP / 0 Def Clefable: 75-88 (19 - 22.3%) -- possible 6HKO
16
Slowking-Galar
PoisonPsychic
SOFT CHECK
111.373
47.6%
dies 7.98%
▾
252+ SpA Slowking-Galar Sludge Bomb vs. 252 HP / 252+ SpD Clefable: 222-264 (56.3 - 67%) -- guaranteed 2HKO after Leftovers recovery
17
Toxapex
PoisonWater
SOFT CHECK
110.916
45.1%
dies 8.00%
▾
252+ SpA Toxapex Sludge Bomb vs. 252 HP / 252+ SpD Clefable: 144-170 (36.5 - 43.1%) -- 98.5% chance to 3HKO after Leftovers recovery
18
Pecharunt
PoisonGhost
SOFT CHECK
34.271
44.9%
dies 8.50%
▾
252+ SpA Pecharunt Malignant Chain vs. 252 HP / 252+ SpD Clefable: 212-252 (53.8 - 63.9%) -- guaranteed 2HKO after Leftovers recovery
19
Tornadus-Therian
Flying
SOFT CHECK
58.458
40.3%
dies 8.66%
▾
252+ SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Clefable: 135-160 (34.2 - 40.6%) -- 53.5% chance to 3HKO after Leftovers recovery
20
Cinderace
Fire
SOFT CHECK
26.011
37.4%
dies 9.49%
▾
252+ Atk Libero Cinderace Gunk Shot vs. 252 HP / 0 Def Clefable: 516-608 (130.9 - 154.3%) -- guaranteed OHKO
21
Kyurem
DragonIce
SOFT CHECK
75.81
35.8%
dies 7.72%
▾
252+ Atk Kyurem Icicle Spear (3 hits) vs. 252 HP / 0 Def Clefable: 174-210 (44.1 - 53.2%) -- 0.1% chance to 2HKO after Leftovers recovery
22
Gliscor
GroundFlying
SOFT CHECK
259.485
35.3%
dies 5.03%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Clefable: 187-222 (47.4 - 56.3%) -- 30.5% chance to 2HKO after Leftovers recovery
23
Zapdos
ElectricFlying
SOFT CHECK
61.211
34.9%
dies 8.57%
▾
252+ SpA Zapdos Hurricane vs. 252 HP / 252+ SpD Clefable: 148-175 (37.5 - 44.4%) -- guaranteed 3HKO after Leftovers recovery
24
Landorus-Therian
GroundFlying
SOFT CHECK
71.481
34.2%
dies 9.55%
▾
252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Clefable: 419-494 (106.3 - 125.3%) -- guaranteed OHKO
25
Corviknight
FlyingSteel
SOFT CHECK
56.477
30.6%
dies 8.60%
▾
252+ Atk Corviknight Iron Head vs. 252 HP / 0 Def Clefable: 284-336 (72 - 85.2%) -- guaranteed 2HKO after Leftovers recovery
26
Raging Bolt
ElectricDragon
SOFT CHECK
84.824
26.7%
dies 6.79%
▾
252+ SpA Choice Specs Raging Bolt Thunderbolt vs. 252 HP / 252+ SpD Clefable: 195-229 (49.4 - 58.1%) -- 64.5% chance to 2HKO after Leftovers recovery
27
Zamazenta
Fighting
SOFT CHECK
157.947
25.6%
dies 5.41%
▾
252+ Atk Zamazenta Heavy Slam (120 BP) vs. 252 HP / 0 Def Clefable: 352-416 (89.3 - 105.5%) -- 37.5% chance to OHKO
28
Iron Valiant
FairyFighting
SOFT CHECK
48.375
23.0%
dies 8.48%
▾
252+ SpA Iron Valiant Moonblast vs. 252 HP / 252+ SpD Clefable: 126-148 (31.9 - 37.5%) -- 0.2% chance to 3HKO after Leftovers recovery
29
Dragonite
DragonFlying
SOFT CHECK
166.349
22.9%
dies 5.40%
▾
252+ Atk Dragonite Fly vs. 252 HP / 0 Def Clefable: 214-253 (54.3 - 64.2%) -- guaranteed 2HKO after Leftovers recovery
30
23.994
18.2%
dies 7.88%
▾
252+ Atk Dondozo Wave Crash vs. 252 HP / 0 Def Clefable: 232-274 (58.8 - 69.5%) -- guaranteed 2HKO after Leftovers recovery
Ranked #42 with 4.75% usage. Sorted by reliability score.