Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Manaphy
Water
DEFENSIVE COUNTER
21.346
90.1%
dies 6.46%
▾
252+ SpA Toxapex Sludge Bomb vs. 252 HP / 252+ SpD Manaphy: 67-79 (16.5 - 19.5%) -- possible 8HKO
02
Ursaluna
GroundNormal
OFFENSIVE CHECK
94.916
88.9%
dies 5.58%
▾
252+ Atk Ursaluna Headlong Rush vs. 252 HP / 0 Def Toxapex: 318-374 (104.6 - 123%) -- guaranteed OHKO
03
Latios-Mega
DragonPsychic
OFFENSIVE CHECK
21.676
84.7%
dies 7.72%
▾
252+ SpA Latios-Mega Luster Purge vs. 252 HP / 252+ SpD Toxapex: 224-266 (73.6 - 87.5%) -- guaranteed 2HKO after Black Sludge recovery
04
Dragonite
DragonFlying
OFFENSIVE CHECK
137.085
82.0%
dies 5.26%
▾
252+ Atk Dragonite Earthquake vs. 252 HP / 0 Def Toxapex: 170-202 (55.9 - 66.4%) -- guaranteed 2HKO after Black Sludge recovery
05
Kyurem
DragonIce
OFFENSIVE CHECK
152.895
80.0%
dies 5.51%
▾
0- SpA Kyurem Freeze-Dry vs. 252 HP / 252+ SpD Toxapex: 98-116 (32.2 - 38.1%) -- 0.9% chance to 3HKO after Black Sludge recovery
06
Gengar
GhostPoison
OFFENSIVE CHECK
45.958
79.2%
dies 8.45%
▾
252+ SpA Gengar Shadow Ball vs. 252 HP / 252+ SpD Toxapex: 81-96 (26.6 - 31.5%) -- 17.8% chance to 4HKO after Black Sludge recovery
07
Gholdengo
SteelGhost
OFFENSIVE CHECK
404.818
77.5%
dies 3.58%
▾
252+ SpA Gholdengo Shadow Ball vs. 252 HP / 252+ SpD Toxapex: 84-99 (27.6 - 32.5%) -- 62.5% chance to 4HKO after Black Sludge recovery
08
Hatterene
PsychicFairy
OFFENSIVE CHECK
109.505
76.8%
dies 6.90%
▾
252+ SpA Hatterene Psyshock vs. 252 HP / 0 Def Toxapex: 206-246 (67.7 - 80.9%) -- guaranteed 2HKO after Black Sludge recovery
09
Tapu Lele
PsychicFairy
OFFENSIVE CHECK
138.249
75.9%
dies 6.26%
▾
252+ SpA Tapu Lele Future Sight vs. 252 HP / 252+ SpD Toxapex in Psychic Terrain: 314-372 (103.2 - 122.3%) -- guaranteed OHKO
10
Melmetal
Steel
DEFENSIVE COUNTER
240.567
73.6%
dies 4.87%
▾
252+ SpA Toxapex Scald vs. 252 HP / 252+ SpD Melmetal: 78-93 (16.4 - 19.6%) -- possible 6HKO
11
Garchomp
DragonGround
OFFENSIVE CHECK
109.445
73.2%
dies 7.19%
▾
252+ Atk Garchomp Earthquake vs. 252 HP / 0 Def Toxapex: 252-296 (82.8 - 97.3%) -- guaranteed 2HKO after Black Sludge recovery
12
Raging Bolt
ElectricDragon
OFFENSIVE CHECK
202.819
68.5%
dies 5.53%
▾
252+ SpA Choice Specs Raging Bolt Thunderbolt vs. 252 HP / 252+ SpD Toxapex: 284-336 (93.4 - 110.5%) -- 56.3% chance to OHKO
13
Venusaur-Mega
GrassPoison
DEFENSIVE COUNTER
176.604
64.4%
dies 6.15%
▾
252+ SpA Toxapex Sludge Bomb vs. 252 HP / 252+ SpD Venusaur-Mega: 58-70 (15.9 - 19.2%) -- possible 6HKO
14
Tapu Fini
WaterFairy
DEFENSIVE COUNTER
78.987
57.4%
dies 7.83%
▾
252+ SpA Toxapex Sludge Bomb vs. 252 HP / 252+ SpD Tapu Fini: 114-134 (33.1 - 38.9%) -- 8.6% chance to 3HKO after Leftovers recovery
15
Great Tusk
GroundFighting
DEFENSIVE COUNTER
142.235
57.1%
dies 7.09%
▾
252+ SpA Toxapex Scald vs. 252 HP / 252+ SpD Great Tusk: 174-206 (40 - 47.4%) -- guaranteed 3HKO
16
Blissey
Normal
DEFENSIVE COUNTER
48.29
57.0%
dies 7.12%
▾
0- Atk Toxapex Poison Jab vs. 252 HP / 0 Def Blissey: 223-264 (31.2 - 36.9%) -- 76.5% chance to 3HKO
17
Blaziken
FireFighting
OFFENSIVE CHECK
21.929
57.0%
dies 10.57%
▾
252+ Atk Blaziken Earthquake vs. 252 HP / 0 Def Toxapex: 158-186 (51.9 - 61.1%) -- 92.6% chance to 2HKO after Black Sludge recovery
18
Heatran
FireSteel
OFFENSIVE CHECK
132.163
56.3%
dies 7.29%
▾
252+ SpA Heatran Earth Power vs. 252 HP / 252+ SpD Toxapex: 122-144 (40.1 - 47.3%) -- guaranteed 3HKO after Black Sludge recovery
19
Diancie-Mega
RockFairy
OFFENSIVE CHECK
98.281
56.0%
dies 8.58%
▾
252+ SpA Diancie-Mega Earth Power vs. 252 HP / 252+ SpD Toxapex: 142-168 (46.7 - 55.2%) -- 11.7% chance to 2HKO after Black Sludge recovery
20
Charizard-Mega-X
FireDragon
OFFENSIVE CHECK
191.117
55.1%
dies 6.09%
▾
252+ Atk Tough Claws Charizard-Mega-X Outrage vs. 252 HP / 0 Def Toxapex: 195-229 (64.1 - 75.3%) -- guaranteed 2HKO after Black Sludge recovery
21
Ogerpon-Wellspring
GrassWater
OFFENSIVE CHECK
206.265
55.1%
dies 5.96%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Power Whip vs. 252 HP / 0 Def Toxapex: 169-201 (55.5 - 66.1%) -- guaranteed 2HKO after Black Sludge recovery
22
Ferrothorn
GrassSteel
SOFT CHECK
121.222
54.4%
dies 7.76%
▾
252+ Atk Ferrothorn Power Whip vs. 252 HP / 0 Def Toxapex: 120-142 (39.4 - 46.7%) -- guaranteed 3HKO after Black Sludge recovery
23
Tyranitar-Mega
RockDark
SOFT CHECK
62.227
54.0%
dies 8.91%
▾
252+ Atk Tyranitar-Mega Stone Edge vs. 252 HP / 0 Def Toxapex: 148-175 (48.6 - 57.5%) -- 94.9% chance to 2HKO after sandstorm damage and Black Sludge recovery
24
Kingambit
DarkSteel
SOFT CHECK
183.708
53.5%
dies 6.27%
▾
252+ Atk Black Glasses Kingambit Knock Off (97.5 BP) vs. 252 HP / 0 Def Toxapex: 151-178 (49.6 - 58.5%) -- 99.6% chance to 2HKO
25
Gliscor
GroundFlying
SOFT CHECK
698.153
53.2%
dies 3.21%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Toxapex: 204-240 (67.1 - 78.9%) -- guaranteed 2HKO after Black Sludge recovery
26
Tapu Koko
ElectricFairy
SOFT CHECK
76.746
52.9%
dies 9.82%
▾
252+ SpA Choice Specs Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Toxapex in Electric Terrain: 284-336 (93.4 - 110.5%) -- 56.3% chance to OHKO
27
Volcarona
BugFire
SOFT CHECK
105.112
52.7%
dies 8.19%
▾
252+ SpA Volcarona Hidden Power Ground vs. 252 HP / 252+ SpD Toxapex: 84-100 (27.6 - 32.8%) -- 76.6% chance to 4HKO after Black Sludge recovery
28
Chansey
Normal
SOFT CHECK
42.456
52.3%
dies 7.67%
▾
Chansey Seismic Toss vs. 252 HP Toxapex: 100-100 (32.8 - 32.8%) -- guaranteed 4HKO after Black Sludge recovery
29
Ting-Lu
DarkGround
SOFT CHECK
65.667
51.4%
dies 8.57%
▾
252+ Atk Ting-Lu Earthquake vs. 252 HP / 0 Def Toxapex: 222-264 (73 - 86.8%) -- guaranteed 2HKO after Black Sludge recovery
30
Clodsire
PoisonGround
SOFT CHECK
71.356
51.3%
dies 8.34%
▾
252+ Atk Clodsire Earthquake vs. 252 HP / 0 Def Toxapex: 174-206 (57.2 - 67.7%) -- guaranteed 2HKO after Black Sludge recovery
Ranked #21 with 8.69% usage. Sorted by reliability score.