Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Hydrapple
GrassDragon
DEFENSIVE COUNTER
22.133
81.9%
dies 8.19%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Play Rough vs. 252 HP / 252+ Def Hydrapple: 166-196 (39.9 - 47.1%) -- guaranteed 3HKO
02
Zamazenta
Fighting
OFFENSIVE CHECK
193.203
75.6%
dies 5.29%
▾
252+ Atk Zamazenta Close Combat vs. 252 HP / 0 Def Ogerpon-Wellspring: 235-277 (64.5 - 76%) -- guaranteed 2HKO
03
Dragonite
DragonFlying
OFFENSIVE CHECK
164.218
71.6%
dies 6.08%
▾
252+ Atk Dragonite Dragon Tail vs. 252 HP / 0 Def Ogerpon-Wellspring: 127-151 (34.8 - 41.4%) -- guaranteed 3HKO
04
Kingambit
DarkSteel
DEFENSIVE COUNTER
105.454
67.9%
dies 7.84%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Ivy Cudgel vs. 252 HP / 252+ Def Kingambit: 129-153 (31.9 - 37.8%) -- 0.2% chance to 3HKO after Leftovers recovery
05
Raging Bolt
ElectricDragon
OFFENSIVE CHECK
76.875
64.9%
dies 9.34%
▾
252+ SpA Raging Bolt Draco Meteor vs. 252 HP / 252+ SpD Ogerpon-Wellspring: 178-211 (48.9 - 57.9%) -- 97.7% chance to 2HKO
06
Iron Valiant
FairyFighting
OFFENSIVE CHECK
21.787
60.4%
dies 10.48%
▾
0- Atk Iron Valiant Close Combat vs. 252 HP / 0 Def Ogerpon-Wellspring: 169-199 (46.4 - 54.6%) -- 62.9% chance to 2HKO
07
Kyurem
DragonIce
OFFENSIVE CHECK
111.152
60.4%
dies 8.00%
▾
252+ SpA Kyurem Freeze-Dry vs. 252 HP / 252+ SpD Ogerpon-Wellspring: 372-444 (102.1 - 121.9%) -- guaranteed OHKO
08
Toxapex
PoisonWater
DEFENSIVE COUNTER
98.306
58.0%
dies 8.51%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Power Whip vs. 252 HP / 252+ Def Toxapex: 130-154 (42.7 - 50.6%) -- 2% chance to 2HKO
09
Pecharunt
PoisonGhost
SOFT CHECK
132.981
54.8%
dies 7.39%
▾
252+ SpA Pecharunt Malignant Chain vs. 252 HP / 252+ SpD Ogerpon-Wellspring: 204-242 (56 - 66.4%) -- guaranteed 2HKO
10
Dragapult
DragonGhost
SOFT CHECK
110.306
51.7%
dies 8.20%
▾
252+ Atk Dragapult Dragon Darts (2 hits) vs. 252 HP / 0 Def Ogerpon-Wellspring: 198-234 (54.3 - 64.2%) -- guaranteed 2HKO
11
45.604
45.2%
dies 10.39%
▾
252+ Atk Dondozo Crunch vs. 252 HP / 0 Def Ogerpon-Wellspring: 93-110 (25.5 - 30.2%) -- guaranteed 4HKO
12
Ogerpon-Wellspring
GrassWater
SOFT CHECK
113.362
43.0%
dies 8.02%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Power Whip vs. 252 HP / 0 Def Ogerpon-Wellspring: 282-333 (77.4 - 91.4%) -- guaranteed 2HKO
13
Gholdengo
SteelGhost
SOFT CHECK
125.472
40.6%
dies 7.58%
▾
252+ SpA Gholdengo Psyshock vs. 252 HP / 0 Def Ogerpon-Wellspring: 113-134 (31 - 36.8%) -- 72.1% chance to 3HKO
14
Clefable
Fairy
SOFT CHECK
24.24
26.5%
dies 8.97%
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Ogerpon-Wellspring: 102-121 (28 - 33.2%) -- guaranteed 4HKO
15
Deoxys-Speed
Psychic
SOFT CHECK
21.057
26.3%
dies 9.60%
▾
252+ SpA Deoxys-Speed Psycho Boost vs. 252 HP / 252+ SpD Ogerpon-Wellspring: 150-177 (41.2 - 48.6%) -- guaranteed 3HKO
16
Corviknight
FlyingSteel
SOFT CHECK
100.237
24.9%
dies 7.46%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Ogerpon-Wellspring: 380-450 (104.3 - 123.6%) -- guaranteed OHKO
17
Great Tusk
GroundFighting
SOFT CHECK
151.299
22.7%
dies 5.87%
▾
252+ Atk Great Tusk Close Combat vs. 252 HP / 0 Def Ogerpon-Wellspring: 252-297 (69.2 - 81.5%) -- guaranteed 2HKO
18
Samurott-Hisui
WaterDark
SOFT CHECK
52.196
20.5%
dies 7.75%
▾
252+ Atk Sharpness Samurott-Hisui Ceaseless Edge vs. 252 HP / 0 Def Ogerpon-Wellspring: 178-210 (48.9 - 57.6%) -- 95.7% chance to 2HKO
19
Gliscor
GroundFlying
SOFT CHECK
168.355
19.5%
dies 5.23%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Ogerpon-Wellspring: 84-99 (23 - 27.1%) -- 50.3% chance to 4HKO
20
Slowking-Galar
PoisonPsychic
SOFT CHECK
27.822
18.2%
dies 7.31%
▾
252+ SpA Slowking-Galar Sludge Bomb vs. 252 HP / 252+ SpD Ogerpon-Wellspring: 212-252 (58.2 - 69.2%) -- guaranteed 2HKO
21
Blissey
Normal
SOFT CHECK
24.257
13.6%
dies 6.95%
▾
Blissey Seismic Toss vs. 252 HP Ogerpon-Wellspring: 100-100 (27.4 - 27.4%) -- guaranteed 4HKO
22
Iron Treads
GroundSteel
SOFT CHECK
56.345
10.4%
dies 5.76%
▾
252+ Atk Iron Treads Ice Spinner vs. 252 HP / 0 Def Ogerpon-Wellspring: 100-118 (27.4 - 32.4%) -- guaranteed 4HKO
23
Alomomola
Water
SOFT CHECK
82.112
9.9%
dies 5.46%
▾
252+ Atk Alomomola Body Slam vs. 252 HP / 0 Def Ogerpon-Wellspring: 82-97 (22.5 - 26.6%) -- 28.2% chance to 4HKO
24
Ting-Lu
DarkGround
SOFT CHECK
157.298
7.6%
dies 3.63%
▾
0- Atk Ting-Lu Payback (100 BP) vs. 252 HP / 0 Def Ogerpon-Wellspring: 121-144 (33.2 - 39.5%) -- 99.9% chance to 3HKO
25
Landorus-Therian
GroundFlying
SOFT CHECK
55.743
5.3%
dies 4.14%
▾
252+ Atk Landorus-Therian U-turn vs. 252 HP / 0 Def Ogerpon-Wellspring: 212-250 (58.2 - 68.6%) -- guaranteed 2HKO
Ranked #8 with 17.61% usage. Sorted by reliability score.