Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Volcarona
BugFire
OFFENSIVE CHECK
50.729
74.7%
dies 8.42%
▾
252+ SpA Volcarona Flamethrower vs. 252 HP / 252+ SpD Iron Valiant: 163-193 (46.3 - 54.8%) -- 64.5% chance to 2HKO
02
Venusaur-Mega
GrassPoison
DEFENSIVE COUNTER
80.642
71.4%
dies 8.56%
▾
0- Atk Iron Valiant Close Combat vs. 252 HP / 0 Def Venusaur-Mega: 61-72 (16.7 - 19.7%) -- guaranteed 6HKO
03
Clefable
Fairy
DEFENSIVE COUNTER
48.375
71.3%
dies 9.14%
▾
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
04
Scizor-Mega
BugSteel
OFFENSIVE CHECK
138.137
71.0%
dies 6.63%
▾
252+ Atk Technician Scizor-Mega Bullet Punch vs. 252 HP / 0 Def Iron Valiant: 264-312 (75 - 88.6%) -- guaranteed 2HKO
05
Tapu Lele
PsychicFairy
OFFENSIVE CHECK
123.934
63.3%
dies 7.49%
▾
252+ SpA Tapu Lele Future Sight vs. 252 HP / 252+ SpD Iron Valiant in Psychic Terrain: 552-650 (156.8 - 184.6%) -- guaranteed OHKO
06
Gholdengo
SteelGhost
OFFENSIVE CHECK
274.908
60.9%
dies 5.07%
▾
252+ SpA Gholdengo Make It Rain vs. 252 HP / 252+ SpD Iron Valiant: 432-510 (122.7 - 144.8%) -- guaranteed OHKO
07
Rillaboom
Grass
SOFT CHECK
24.142
54.4%
dies 10.14%
▾
252+ Atk Choice Band Rillaboom Wood Hammer vs. 252 HP / 0 Def Iron Valiant in Grassy Terrain: 445-525 (126.4 - 149.1%) -- guaranteed OHKO
08
Hatterene
PsychicFairy
SOFT CHECK
48.365
53.5%
dies 10.12%
▾
252+ SpA Hatterene Psyshock vs. 252 HP / 0 Def Iron Valiant: 324-384 (92 - 109%) -- 50% chance to OHKO
09
Slowbro-Galar
PoisonPsychic
SOFT CHECK
22.12
52.9%
dies 10.61%
10
Pecharunt
PoisonGhost
SOFT CHECK
94.671
52.9%
dies 8.80%
▾
252+ SpA Pecharunt Malignant Chain vs. 252 HP / 252+ SpD Iron Valiant: 270-320 (76.7 - 90.9%) -- guaranteed 2HKO
11
Raging Bolt
ElectricDragon
SOFT CHECK
138.176
49.7%
dies 7.32%
▾
252+ SpA Choice Specs Raging Bolt Thunderbolt vs. 252 HP / 252+ SpD Iron Valiant: 247-292 (70.1 - 82.9%) -- guaranteed 2HKO
12
Tornadus-Therian
Flying
SOFT CHECK
105.948
49.0%
dies 8.30%
▾
252+ SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Iron Valiant: 344-408 (97.7 - 115.9%) -- 87.5% chance to OHKO
13
Iron Valiant
FairyFighting
SOFT CHECK
69.888
47.6%
dies 8.44%
▾
252+ SpA Iron Valiant Moonblast vs. 252 HP / 252+ SpD Iron Valiant: 318-374 (90.3 - 106.2%) -- 37.5% chance to OHKO
14
Toxapex
PoisonWater
SOFT CHECK
148.635
46.6%
dies 7.05%
▾
252+ SpA Toxapex Sludge Bomb vs. 252 HP / 252+ SpD Iron Valiant: 182-216 (51.7 - 61.3%) -- guaranteed 2HKO
15
Clodsire
PoisonGround
SOFT CHECK
23.332
46.2%
dies 10.32%
▾
252+ Atk Clodsire Poison Jab vs. 252 HP / 0 Def Iron Valiant: 218-258 (61.9 - 73.2%) -- guaranteed 2HKO
16
Cinderace
Fire
SOFT CHECK
26.656
44.2%
dies 9.62%
▾
252+ Atk Libero Cinderace Gunk Shot vs. 252 HP / 0 Def Iron Valiant: 434-512 (123.2 - 145.4%) -- guaranteed OHKO
17
Dragonite
DragonFlying
SOFT CHECK
147.602
43.1%
dies 6.88%
▾
252+ Atk Dragonite Fly vs. 252 HP / 0 Def Iron Valiant: 362-428 (102.8 - 121.5%) -- guaranteed OHKO
18
Keldeo
WaterFighting
SOFT CHECK
32.42
42.9%
dies 8.69%
▾
252+ SpA Keldeo Hydro Pump vs. 252 HP / 252+ SpD Iron Valiant: 193-228 (54.8 - 64.7%) -- guaranteed 2HKO
19
Lopunny-Mega
NormalFighting
SOFT CHECK
86.684
40.5%
dies 9.09%
▾
252+ Atk Lopunny-Mega Return vs. 252 HP / 0 Def Iron Valiant: 207-244 (58.8 - 69.3%) -- guaranteed 2HKO
20
Moltres
FireFlying
SOFT CHECK
65.305
39.5%
dies 10.40%
▾
252+ SpA Moltres Hurricane vs. 252 HP / 252+ SpD Iron Valiant: 378-446 (107.3 - 126.7%) -- guaranteed OHKO
21
Charizard-Mega-X
FireDragon
SOFT CHECK
75.016
39.5%
dies 7.90%
▾
252+ Atk Tough Claws Charizard-Mega-X Flare Blitz vs. 252 HP / 0 Def Iron Valiant: 306-361 (86.9 - 102.5%) -- 18.8% chance to OHKO
22
Slowking-Galar
PoisonPsychic
SOFT CHECK
147.523
37.6%
dies 6.89%
▾
252+ SpA Slowking-Galar Future Sight vs. 252 HP / 252+ SpD Iron Valiant: 378-446 (107.3 - 126.7%) -- guaranteed OHKO
23
Zamazenta
Fighting
SOFT CHECK
292.002
35.1%
dies 4.80%
▾
252+ Atk Zamazenta Heavy Slam (120 BP) vs. 252 HP / 0 Def Iron Valiant: 296-350 (84 - 99.4%) -- guaranteed 2HKO
24
Diancie-Mega
RockFairy
SOFT CHECK
93.07
32.3%
dies 8.12%
▾
252+ SpA Diancie-Mega Moonblast vs. 252 HP / 252+ SpD Iron Valiant: 390-462 (110.7 - 131.2%) -- guaranteed OHKO
25
Terapagos
Normal
SOFT CHECK
167.251
31.9%
dies 6.17%
▾
0- SpA Terapagos Tera Starstorm vs. 252 HP / 252+ SpD Iron Valiant: 81-96 (23 - 27.2%) -- 51.2% chance to 4HKO
26
Tapu Koko
ElectricFairy
SOFT CHECK
21.656
31.4%
dies 9.97%
▾
252+ SpA Choice Specs Tapu Koko Dazzling Gleam vs. 252 HP / 252+ SpD Iron Valiant: 342-404 (97.1 - 114.7%) -- 81.3% chance to OHKO
27
Gliscor
GroundFlying
SOFT CHECK
255.453
29.5%
dies 4.92%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Iron Valiant: 159-187 (45.1 - 53.1%) -- 32% chance to 2HKO
28
Charizard-Mega-Y
FireFlying
SOFT CHECK
25.665
28.6%
dies 8.92%
▾
252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Iron Valiant in Sun: 400-472 (113.6 - 134%) -- guaranteed OHKO
29
Zapdos
ElectricFlying
SOFT CHECK
137.509
28.1%
dies 6.48%
▾
252+ SpA Zapdos Hurricane vs. 252 HP / 252+ SpD Iron Valiant: 378-446 (107.3 - 126.7%) -- guaranteed OHKO
30
Corviknight
FlyingSteel
SOFT CHECK
125.294
27.7%
dies 6.82%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Iron Valiant: 360-426 (102.2 - 121%) -- guaranteed OHKO
Ranked #15 with 10.44% usage. Sorted by reliability score.