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
35.023
82.1%
dies 6.47%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Superpower vs. 252 HP / 0 Def Blissey: 1368-1610 (191.5 - 225.4%) -- guaranteed OHKO
02
Kingambit
DarkSteel
DEFENSIVE COUNTER
93.043
79.0%
dies 5.80%
▾
Blissey Seismic Toss vs. 252 HP Kingambit: 100-100 (24.7 - 24.7%) -- guaranteed 5HKO
03
Great Tusk
GroundFighting
DEFENSIVE COUNTER
42.118
77.2%
dies 6.47%
▾
Blissey Seismic Toss vs. 252 HP Great Tusk: 100-100 (23 - 23%) -- guaranteed 5HKO
04
Iron Valiant
FairyFighting
OFFENSIVE CHECK
22.933
72.3%
dies 9.35%
▾
252+ Atk Iron Valiant Close Combat vs. 252 HP / 0 Def Blissey: 1812-2132 (253.7 - 298.5%) -- guaranteed OHKO
05
Melmetal
Steel
DEFENSIVE COUNTER
39.655
71.9%
dies 7.14%
▾
Blissey Seismic Toss vs. 252 HP Melmetal: 100-100 (21 - 21%) -- guaranteed 5HKO
06
Scizor-Mega
BugSteel
OFFENSIVE CHECK
41.869
71.4%
dies 6.99%
▾
252+ Atk Scizor-Mega Close Combat vs. 252 HP / 0 Def Blissey: 1342-1580 (187.9 - 221.2%) -- guaranteed OHKO
07
Iron Treads
GroundSteel
DEFENSIVE COUNTER
52.844
69.8%
dies 8.85%
▾
Blissey Seismic Toss vs. 252 HP Iron Treads: 100-100 (26 - 26%) -- guaranteed 5HKO after Leftovers recovery
08
Zamazenta
Fighting
OFFENSIVE CHECK
45.063
68.5%
dies 6.92%
▾
252+ Atk Zamazenta Close Combat vs. 252 HP / 0 Def Blissey: 1710-2012 (239.4 - 281.7%) -- guaranteed OHKO
09
Pecharunt
PoisonGhost
DEFENSIVE COUNTER
21.756
55.3%
dies 10.66%
▾
10
Landorus-Therian
GroundFlying
SOFT CHECK
40.915
52.3%
dies 7.81%
▾
252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Blissey: 1362-1603 (190.7 - 224.5%) -- guaranteed OHKO
11
Gliscor
GroundFlying
SOFT CHECK
115.395
51.9%
dies 7.92%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Blissey: 607-715 (85 - 100.1%) -- 6.3% chance to OHKO
12
Corviknight
FlyingSteel
SOFT CHECK
20.814
51.0%
dies 10.96%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Blissey: 690-813 (96.6 - 113.8%) -- 81.3% chance to OHKO
13
Tapu Lele
PsychicFairy
SOFT CHECK
22.408
50.1%
dies 10.56%
▾
252+ SpA Tapu Lele Psyshock vs. 252 HP / 0 Def Blissey in Psychic Terrain: 784-924 (109.8 - 129.4%) -- guaranteed OHKO
14
Hatterene
PsychicFairy
SOFT CHECK
39.076
47.8%
dies 7.99%
▾
252+ SpA Hatterene Psychic Noise vs. 252 HP / 252+ SpD Blissey: 82-97 (11.4 - 13.5%) -- possible 8HKO
15
Gholdengo
SteelGhost
SOFT CHECK
150.579
40.5%
dies 5.25%
▾
252+ SpA Gholdengo Focus Blast vs. 252 HP / 252+ SpD Blissey: 170-202 (23.8 - 28.2%) -- 92.6% chance to 4HKO
16
Kyurem
DragonIce
SOFT CHECK
46.962
39.1%
dies 7.12%
▾
0- Atk Kyurem Icicle Spear (3 hits) vs. 252 HP / 0 Def Blissey: 381-453 (53.3 - 63.4%) -- guaranteed 2HKO
17
Tornadus-Therian
Flying
SOFT CHECK
50.469
37.8%
dies 6.82%
▾
0- Atk Tornadus-Therian Knock Off (97.5 BP) vs. 252 HP / 0 Def Blissey: 263-310 (36.8 - 43.4%) -- guaranteed 3HKO
18
Urshifu-Rapid-Strike
FightingWater
SOFT CHECK
27.785
37.2%
dies 9.17%
▾
252+ Atk Urshifu-Rapid-Strike Close Combat vs. 252 HP / 0 Def Blissey: 1812-2132 (253.7 - 298.5%) -- guaranteed OHKO
19
Volcarona
BugFire
SOFT CHECK
21.132
33.7%
dies 10.28%
▾
252+ SpA Volcarona Bug Buzz vs. 252 HP / 252+ SpD Blissey: 97-115 (13.5 - 16.1%) -- possible 7HKO
20
Venusaur-Mega
GrassPoison
SOFT CHECK
39.43
30.1%
dies 7.31%
▾
0- Atk Venusaur-Mega Knock Off (97.5 BP) vs. 252 HP / 0 Def Blissey: 263-310 (36.8 - 43.4%) -- guaranteed 3HKO
21
Raging Bolt
ElectricDragon
SOFT CHECK
23.653
26.9%
dies 9.12%
▾
252+ SpA Choice Specs Raging Bolt Draco Meteor vs. 252 HP / 252+ SpD Blissey: 211-250 (29.5 - 35%) -- 14.3% chance to 3HKO
22
Terapagos
Normal
SOFT CHECK
57.092
22.6%
dies 5.53%
▾
252+ Atk Terapagos Rapid Spin vs. 252 HP / 0 Def Blissey: 241-285 (33.7 - 39.9%) -- guaranteed 3HKO
23
Zapdos
ElectricFlying
SOFT CHECK
79.816
22.5%
dies 4.68%
▾
252+ SpA Zapdos Hurricane vs. 252 HP / 252+ SpD Blissey: 112-133 (15.6 - 18.6%) -- possible 6HKO
24
Alomomola
Water
SOFT CHECK
90.765
22.3%
dies 4.37%
▾
252+ Atk Alomomola Knock Off (97.5 BP) vs. 252 HP / 0 Def Blissey: 339-399 (47.4 - 55.8%) -- 82.4% chance to 2HKO
25
Slowking-Galar
PoisonPsychic
SOFT CHECK
33.116
21.1%
dies 7.10%
▾
252+ SpA Slowking-Galar Focus Blast vs. 252 HP / 252+ SpD Blissey: 150-178 (21 - 24.9%) -- guaranteed 5HKO
26
Toxapex
PoisonWater
SOFT CHECK
44.193
19.7%
dies 5.99%
▾
0- Atk Toxapex Knock Off (97.5 BP) vs. 252 HP / 0 Def Blissey: 180-212 (25.2 - 29.6%) -- guaranteed 4HKO
27
Latios-Mega
DragonPsychic
SOFT CHECK
30.183
13.8%
dies 6.27%
▾
252+ SpA Latios-Mega Draco Meteor vs. 252 HP / 252+ SpD Blissey: 160-189 (22.4 - 26.4%) -- 15.7% chance to 4HKO
28
Charizard-Mega-Y
FireFlying
SOFT CHECK
76.096
13.5%
dies 5.34%
▾
252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Blissey in Sun: 237-280 (33.1 - 39.2%) -- 99.9% chance to 3HKO
29
Slowbro
WaterPsychic
SOFT CHECK
20.671
11.8%
dies 7.09%
▾
0 Def Slowbro Body Press vs. 252 HP / 0 Def Blissey: 524-618 (73.3 - 86.5%) -- guaranteed 2HKO
Ranked #71 with 1.89% usage. Sorted by reliability score.