Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Heatran
FireSteel
OFFENSIVE CHECK
111.492
75.9%
dies 6.94%
▾
0- Atk Heatran Heavy Slam (120 BP) vs. 252 HP / 0 Def Clefable: 276-326 (70 - 82.7%) -- guaranteed 2HKO after Leftovers recovery
02
Slowking-Galar
PoisonPsychic
DEFENSIVE COUNTER
73.661
73.3%
dies 6.70%
▾
0- Atk Clefable Knock Off (97.5 BP) vs. 252 HP / 0 Def Slowking-Galar: 112-134 (28.4 - 34%) -- 1.1% chance to 3HKO
03
Tapu Lele
PsychicFairy
OFFENSIVE CHECK
22.24
70.3%
dies 9.69%
▾
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
04
Kartana
GrassSteel
OFFENSIVE CHECK
28.026
67.6%
dies 8.84%
▾
252+ Atk Kartana Smart Strike vs. 252 HP / 0 Def Clefable: 420-494 (106.5 - 125.3%) -- guaranteed OHKO
05
Melmetal
Steel
DEFENSIVE COUNTER
69.714
63.3%
dies 7.99%
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Melmetal: 64-76 (13.5 - 16%)
06
Tyranitar
RockDark
OFFENSIVE CHECK
21.415
61.1%
dies 10.54%
▾
252+ Atk Choice Band Tyranitar Heavy Slam (120 BP) vs. 252 HP / 0 Def Clefable: 570-672 (144.6 - 170.5%) -- guaranteed OHKO
07
Skarmory
SteelFlying
DEFENSIVE COUNTER
25.404
57.8%
dies 9.80%
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Skarmory: 62-73 (18.5 - 21.8%) -- possible 5HKO
08
Clefable
Fairy
SOFT CHECK
144.385
46.0%
dies 5.73%
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Clefable: 106-126 (26.9 - 31.9%) -- 40.2% chance to 4HKO after Leftovers recovery
09
Tapu Koko
ElectricFairy
SOFT CHECK
25.435
45.6%
dies 9.88%
▾
252+ SpA Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Clefable in Electric Terrain: 130-154 (32.9 - 39%) -- 9% chance to 3HKO after Leftovers recovery
10
Blissey
Normal
SOFT CHECK
22.243
45.4%
dies 10.56%
▾
Blissey Seismic Toss vs. 252 HP Clefable: 100-100 (25.3 - 25.3%) -- guaranteed 5HKO after Leftovers recovery
11
Ferrothorn
GrassSteel
SOFT CHECK
38.759
42.2%
dies 7.93%
▾
252+ Atk Ferrothorn Power Whip vs. 252 HP / 0 Def Clefable: 223-264 (56.5 - 67%) -- guaranteed 2HKO after Leftovers recovery
12
Toxapex
PoisonWater
SOFT CHECK
208.429
38.2%
dies 5.50%
▾
252+ Atk Toxapex Poison Jab vs. 252 HP / 0 Def Clefable: 236-278 (59.8 - 70.5%) -- guaranteed 2HKO after Leftovers recovery
13
Dragapult
DragonGhost
SOFT CHECK
49.49
36.8%
dies 9.67%
▾
252+ SpA Choice Specs Dragapult Shadow Ball vs. 252 HP / 252+ SpD Clefable: 139-165 (35.2 - 41.8%) -- 83.5% chance to 3HKO after Leftovers recovery
14
Hippowdon
Ground
SOFT CHECK
30.484
33.9%
dies 8.57%
▾
252+ Atk Hippowdon Earthquake vs. 252 HP / 0 Def Clefable: 210-247 (53.2 - 62.6%) -- guaranteed 2HKO after Leftovers recovery
15
Landorus-Therian
GroundFlying
SOFT CHECK
108.406
32.2%
dies 7.69%
▾
252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Clefable: 253-298 (64.2 - 75.6%) -- guaranteed 2HKO after Leftovers recovery
16
Slowking
WaterPsychic
SOFT CHECK
36.12
31.6%
dies 7.74%
▾
252+ SpA Slowking Future Sight vs. 252 HP / 252+ SpD Clefable: 139-165 (35.2 - 41.8%) -- 83.5% chance to 3HKO after Leftovers recovery
17
Garchomp
DragonGround
SOFT CHECK
89.572
29.2%
dies 6.79%
▾
252+ Atk Garchomp Earthquake vs. 252 HP / 0 Def Clefable: 232-274 (58.8 - 69.5%) -- guaranteed 2HKO after Leftovers recovery
18
Tornadus-Therian
Flying
SOFT CHECK
99.909
27.8%
dies 6.29%
▾
0- SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Clefable: 90-106 (22.8 - 26.9%) -- possible 5HKO
19
Weavile
DarkIce
SOFT CHECK
59.822
27.3%
dies 8.13%
▾
252+ Atk Weavile Triple Axel (120 BP) (3 hits) vs. 252 HP / 0 Def Clefable: 266-316 (67.5 - 80.2%) -- guaranteed 2HKO after Leftovers recovery
20
Corviknight
FlyingSteel
SOFT CHECK
134.577
27.2%
dies 5.20%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Clefable: 213-252 (54 - 63.9%) -- guaranteed 2HKO after Leftovers recovery
21
Slowbro
WaterPsychic
SOFT CHECK
21.942
25.2%
dies 9.27%
▾
252+ SpA Slowbro Future Sight vs. 252 HP / 252+ SpD Clefable: 139-165 (35.2 - 41.8%) -- 83.5% chance to 3HKO after Leftovers recovery
Ranked #2 with 27.40% usage. Sorted by reliability score.