Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Ogerpon-Wellspring
GrassWater
OFFENSIVE CHECK
157.35
88.0%
dies 4.43%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Ivy Cudgel vs. 252 HP / 0 Def Iron Treads: 348-410 (90.6 - 106.7%) -- 43.8% chance to OHKO
02
Rotom-Heat
ElectricFire
OFFENSIVE CHECK
25.513
87.5%
dies 6.55%
03
Charizard-Mega-X
FireDragon
OFFENSIVE CHECK
73.718
85.4%
dies 5.81%
▾
252+ Atk Tough Claws Charizard-Mega-X Flare Blitz vs. 252 HP / 0 Def Iron Treads: 480-566 (125 - 147.3%) -- guaranteed OHKO
04
Venusaur-Mega
GrassPoison
DEFENSIVE COUNTER
61.91
81.2%
dies 7.00%
▾
252+ Atk Iron Treads Earthquake vs. 252 HP / 252+ Def Venusaur-Mega: 102-120 (28 - 32.9%) -- guaranteed 4HKO
05
Sableye-Mega
DarkGhost
DEFENSIVE COUNTER
44.156
80.9%
dies 8.34%
▾
252+ Atk Iron Treads Earthquake vs. 252 HP / 252+ Def Sableye-Mega: 100-118 (32.8 - 38.8%) -- 99.2% chance to 3HKO
06
Great Tusk
GroundFighting
DEFENSIVE COUNTER
213.292
80.8%
dies 4.59%
▾
0- SpA Iron Treads Steel Beam vs. 252 HP / 0 SpD Great Tusk: 172-204 (39.6 - 47%) -- guaranteed 3HKO
07
Urshifu-Rapid-Strike
FightingWater
OFFENSIVE CHECK
101.385
80.8%
dies 6.54%
▾
252+ Atk Urshifu-Rapid-Strike Close Combat vs. 252 HP / 0 Def Iron Treads: 368-434 (95.8 - 113%) -- 75% chance to OHKO
08
Latios-Mega
DragonPsychic
OFFENSIVE CHECK
20.894
79.4%
dies 8.85%
▾
252+ SpA Latios-Mega Aura Sphere vs. 252 HP / 252+ SpD Iron Treads: 202-238 (52.6 - 61.9%) -- 98.8% chance to 2HKO after Leftovers recovery
09
Zamazenta
Fighting
OFFENSIVE CHECK
155.022
78.9%
dies 5.55%
▾
252+ Atk Zamazenta Close Combat vs. 252 HP / 0 Def Iron Treads: 348-410 (90.6 - 106.7%) -- 43.8% chance to OHKO
10
Charizard-Mega-Y
FireFlying
OFFENSIVE CHECK
65.989
77.0%
dies 7.28%
▾
252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Iron Treads in Sun: 732-864 (190.6 - 225%) -- guaranteed OHKO
11
Iron Valiant
FairyFighting
OFFENSIVE CHECK
107.135
75.8%
dies 7.11%
▾
0- Atk Iron Valiant Close Combat vs. 252 HP / 0 Def Iron Treads: 252-296 (65.6 - 77%) -- guaranteed 2HKO after Leftovers recovery
12
Ferrothorn
GrassSteel
DEFENSIVE COUNTER
68.11
75.3%
dies 7.35%
▾
252+ Atk Iron Treads Earthquake vs. 252 HP / 252+ Def Ferrothorn: 97-115 (27.5 - 32.6%) -- 70.4% chance to 4HKO after Leftovers recovery
13
Gengar
GhostPoison
OFFENSIVE CHECK
22.972
72.4%
dies 9.33%
▾
252+ SpA Gengar Focus Blast vs. 252 HP / 252+ SpD Iron Treads: 260-306 (67.7 - 79.6%) -- guaranteed 2HKO after Leftovers recovery
14
Terapagos
Normal
DEFENSIVE COUNTER
133.943
71.9%
dies 5.45%
▾
252+ Atk Iron Treads Earthquake vs. 252 HP / 252+ Def Terapagos: 130-154 (33.8 - 40.1%) -- guaranteed 3HKO
15
Ursaluna
GroundNormal
OFFENSIVE CHECK
77.07
70.9%
dies 7.16%
▾
252+ Atk Ursaluna Headlong Rush vs. 252 HP / 0 Def Iron Treads: 390-458 (101.5 - 119.2%) -- guaranteed OHKO
16
Corviknight
FlyingSteel
DEFENSIVE COUNTER
155.031
69.6%
dies 6.36%
▾
252+ Atk Iron Treads Knock Off (97.5 BP) vs. 252 HP / 252+ Def Corviknight: 73-87 (18.2 - 21.7%) -- possible 5HKO
17
Kyurem
DragonIce
OFFENSIVE CHECK
38.124
68.8%
dies 7.51%
▾
0- SpA Kyurem Earth Power vs. 252 HP / 252+ SpD Iron Treads: 132-156 (34.3 - 40.6%) -- 46.9% chance to 3HKO after Leftovers recovery
18
Volcarona
BugFire
OFFENSIVE CHECK
23.366
68.7%
dies 9.59%
▾
252+ SpA Volcarona Flamethrower vs. 252 HP / 252+ SpD Iron Treads: 300-354 (78.1 - 92.1%) -- guaranteed 2HKO after Leftovers recovery
19
Moltres
FireFlying
OFFENSIVE CHECK
23.92
68.1%
dies 9.53%
▾
252+ SpA Moltres Flamethrower vs. 252 HP / 252+ SpD Iron Treads: 284-336 (73.9 - 87.5%) -- guaranteed 2HKO after Leftovers recovery
20
Samurott-Hisui
WaterDark
OFFENSIVE CHECK
57.011
64.9%
dies 8.91%
▾
252+ Atk Sharpness Samurott-Hisui Razor Shell vs. 252 HP / 0 Def Iron Treads: 302-356 (78.6 - 92.7%) -- guaranteed 2HKO after Leftovers recovery
21
Scizor-Mega
BugSteel
OFFENSIVE CHECK
69.692
64.2%
dies 7.94%
▾
252+ Atk Scizor-Mega Close Combat vs. 252 HP / 0 Def Iron Treads: 272-322 (70.8 - 83.8%) -- guaranteed 2HKO after Leftovers recovery
22
Ting-Lu
DarkGround
DEFENSIVE COUNTER
72.607
62.0%
dies 8.02%
▾
252+ Atk Iron Treads Ice Spinner vs. 252 HP / 252+ Def Ting-Lu: 108-128 (21 - 24.9%) -- possible 6HKO
23
Tornadus-Therian
Flying
OFFENSIVE CHECK
94.262
59.2%
dies 8.67%
▾
252+ SpA Tornadus-Therian Focus Blast vs. 252 HP / 252+ SpD Iron Treads: 230-272 (59.8 - 70.8%) -- guaranteed 2HKO after Leftovers recovery
24
Zapdos
ElectricFlying
OFFENSIVE CHECK
220.462
58.2%
dies 5.72%
▾
252+ SpA Zapdos Heat Wave vs. 252 HP / 252+ SpD Iron Treads: 200-236 (52 - 61.4%) -- 96.1% chance to 2HKO after Leftovers recovery
25
Keldeo
WaterFighting
OFFENSIVE CHECK
74.943
57.9%
dies 8.04%
▾
252+ SpA Keldeo Hydro Pump vs. 252 HP / 252+ SpD Iron Treads: 356-420 (92.7 - 109.3%) -- 56.3% chance to OHKO
26
Slowbro
WaterPsychic
DEFENSIVE COUNTER
28.899
57.3%
dies 9.20%
▾
252+ Atk Iron Treads Knock Off (97.5 BP) vs. 252 HP / 252+ Def Slowbro: 142-168 (36 - 42.6%) -- guaranteed 3HKO
27
Garchomp
DragonGround
SOFT CHECK
102.4
51.2%
dies 6.81%
▾
252+ Atk Garchomp Earthquake vs. 252 HP / 0 Def Iron Treads: 306-362 (79.6 - 94.2%) -- guaranteed 2HKO after Leftovers recovery
28
Kingambit
DarkSteel
SOFT CHECK
99.906
51.0%
dies 8.35%
▾
252+ Atk Kingambit Low Kick (120 BP) vs. 252 HP / 0 Def Iron Treads: 252-298 (65.6 - 77.6%) -- guaranteed 2HKO after Leftovers recovery
29
Iron Treads
GroundSteel
SOFT CHECK
80.146
48.6%
dies 7.85%
▾
252+ Atk Iron Treads Earthquake vs. 252 HP / 0 Def Iron Treads: 278-330 (72.3 - 85.9%) -- guaranteed 2HKO after Leftovers recovery
30
Landorus-Therian
GroundFlying
SOFT CHECK
253.307
46.9%
dies 5.41%
▾
252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Iron Treads: 332-392 (86.4 - 102%) -- 18.8% chance to OHKO
Ranked #17 with 9.96% usage. Sorted by reliability score.