Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Arceus-Ground
Ground
DEFENSIVE COUNTER
220.095
84.0%
dies 4.21%
▾
252+ SpA Eternatus Dynamax Cannon vs. 252 HP / 252+ SpD Arceus-Ground: 124-147 (27.9 - 33.1%) -- guaranteed 4HKO
02
Necrozma-Dusk-Mane
PsychicSteel
OFFENSIVE CHECK
103.112
79.2%
dies 6.87%
▾
252+ Atk Necrozma-Dusk-Mane Photon Geyser vs. 252 HP / 0 Def Eternatus: 432-510 (89.2 - 105.3%) -- 31.3% chance to OHKO
03
Calyrex-Ice
PsychicIce
DEFENSIVE COUNTER
62.297
78.6%
dies 7.30%
▾
252+ SpA Eternatus Flamethrower vs. 252 HP / 252+ SpD Calyrex-Ice: 140-166 (34.6 - 41%) -- guaranteed 3HKO
04
Calyrex-Shadow
PsychicGhost
OFFENSIVE CHECK
504.148
74.4%
dies 3.34%
▾
252+ SpA Calyrex-Shadow Psyshock vs. 252 HP / 0 Def Eternatus: 360-426 (74.3 - 88%) -- guaranteed 2HKO
05
Zacian-Crowned
FairySteel
OFFENSIVE CHECK
154.47
70.1%
dies 6.22%
▾
+1 252+ Atk Zacian-Crowned Play Rough vs. 252 HP / 0 Def Eternatus: 280-331 (57.8 - 68.3%) -- guaranteed 2HKO
06
Terapagos
Normal
DEFENSIVE COUNTER
23.21
69.5%
dies 9.55%
▾
252+ SpA Eternatus Dynamax Cannon vs. 252 HP / 252+ SpD Terapagos: 156-184 (40.6 - 47.9%) -- guaranteed 3HKO
07
Ting-Lu
DarkGround
DEFENSIVE COUNTER
226.907
64.2%
dies 5.32%
▾
252+ SpA Eternatus Dynamax Cannon vs. 252 HP / 252+ SpD Vessel of Ruin Ting-Lu: 121-144 (23.5 - 28%) -- possible 5HKO
08
Koraidon
FightingDragon
OFFENSIVE CHECK
462.907
62.2%
dies 3.83%
▾
252+ Atk Orichalcum Pulse Koraidon Outrage vs. 252 HP / 0 Def Eternatus: 614-726 (126.8 - 150%) -- guaranteed OHKO
09
Flutter Mane
GhostFairy
OFFENSIVE CHECK
44.693
61.2%
dies 10.29%
▾
252+ SpA Flutter Mane Moonblast vs. 252 HP / 252+ SpD Eternatus: 130-154 (26.8 - 31.8%) -- guaranteed 4HKO
10
Lapras
WaterIce
DEFENSIVE COUNTER
27.616
60.2%
dies 9.31%
▾
252+ SpA Eternatus Dynamax Cannon vs. 252 HP / 252+ SpD Lapras: 145-172 (31.2 - 37%) -- guaranteed 4HKO after Leftovers recovery
11
Iron Treads
GroundSteel
DEFENSIVE COUNTER
230.755
59.8%
dies 5.46%
▾
252+ SpA Eternatus Flamethrower vs. 252 HP / 252+ SpD Iron Treads: 212-250 (55.2 - 65.1%) -- guaranteed 2HKO after Leftovers recovery
12
Arceus
Normal
DEFENSIVE COUNTER
317.719
56.6%
dies 4.76%
▾
252+ SpA Eternatus Dynamax Cannon vs. 252 HP / 252+ SpD Arceus: 124-147 (27.9 - 33.1%) -- guaranteed 4HKO
13
Miraidon
ElectricDragon
SOFT CHECK
618.169
51.0%
dies 3.44%
▾
252+ SpA Hadron Engine Miraidon Draco Meteor vs. 252 HP / 252+ SpD Eternatus: 476-564 (98.3 - 116.5%) -- 87.5% chance to OHKO
14
Garganacl
Rock
SOFT CHECK
21.576
49.4%
dies 10.76%
▾
252+ Atk Garganacl Salt Cure vs. 252 HP / 0 Def Eternatus: 63-75 (13 - 15.4%) -- possible 7HKO
15
Kingambit
DarkSteel
SOFT CHECK
28.478
47.7%
dies 9.36%
▾
252+ Atk Kingambit Zen Headbutt vs. 252 HP / 0 Def Eternatus: 206-244 (42.5 - 50.4%) -- 1.2% chance to 2HKO
16
218.65
46.8%
dies 5.80%
▾
252+ SpA Kyogre Ice Beam vs. 252 HP / 252+ SpD Eternatus: 180-212 (37.1 - 43.8%) -- guaranteed 3HKO
17
Eternatus
PoisonDragon
SOFT CHECK
177.902
45.1%
dies 6.30%
▾
252+ SpA Eternatus Dynamax Cannon vs. 252 HP / 252+ SpD Eternatus: 290-344 (59.9 - 71%) -- guaranteed 2HKO
18
36.324
43.2%
dies 8.22%
▾
252+ Atk Dondozo Avalanche vs. 252 HP / 0 Def Eternatus: 126-150 (26 - 30.9%) -- guaranteed 4HKO
19
Clodsire
PoisonGround
SOFT CHECK
287.926
42.3%
dies 4.99%
▾
252+ Atk Clodsire Earthquake vs. 252 HP / 0 Def Eternatus: 260-308 (53.7 - 63.6%) -- guaranteed 2HKO
20
166.046
38.1%
dies 6.45%
▾
Ditto vs. Eternatus: 0-0 (0 - 0%)
21
Smeargle
Normal
SOFT CHECK
160.892
37.4%
dies 6.44%
▾
252+ Atk Smeargle Nuzzle vs. 252 HP / 0 Def Eternatus: 5-6 (1 - 1.2%)
22
Hatterene
PsychicFairy
SOFT CHECK
139.37
36.9%
dies 6.98%
▾
252+ SpA Hatterene Psyshock vs. 252 HP / 0 Def Eternatus: 312-368 (64.4 - 76%) -- guaranteed 2HKO
23
Corviknight
FlyingSteel
SOFT CHECK
124.194
36.5%
dies 6.44%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Eternatus: 171-202 (35.3 - 41.7%) -- guaranteed 3HKO
24
Blissey
Normal
SOFT CHECK
41.333
32.8%
dies 7.30%
▾
Blissey Seismic Toss vs. 252 HP Eternatus: 100-100 (20.6 - 20.6%) -- guaranteed 5HKO
25
Gliscor
GroundFlying
SOFT CHECK
229.424
30.4%
dies 5.23%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Eternatus: 302-356 (62.3 - 73.5%) -- guaranteed 2HKO
26
Ribombee
BugFairy
SOFT CHECK
95.241
29.9%
dies 8.03%
▾
252+ SpA Ribombee Psychic Noise vs. 252 HP / 252+ SpD Eternatus: 110-130 (22.7 - 26.8%) -- 33.3% chance to 4HKO
27
Toxapex
PoisonWater
SOFT CHECK
58.129
27.9%
dies 8.25%
▾
252+ Atk Toxapex Liquidation vs. 252 HP / 0 Def Eternatus: 51-60 (10.5 - 12.3%) -- possible 9HKO
28
Arceus-Fairy
Fairy
SOFT CHECK
184.677
27.9%
dies 5.64%
▾
252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Eternatus: 153-180 (31.6 - 37.1%) -- 82.5% chance to 3HKO
29
Grimmsnarl
DarkFairy
SOFT CHECK
81.123
26.9%
dies 8.46%
▾
252+ Atk Grimmsnarl Play Rough vs. 252 HP / 0 Def Eternatus: 160-189 (33 - 39%) -- 99.8% chance to 3HKO
30
Ho-Oh
FireFlying
SOFT CHECK
621.14
26.4%
dies 3.04%
▾
252+ Atk Ho-Oh Earthquake vs. 252 HP / 0 Def Eternatus: 250-296 (51.6 - 61.1%) -- guaranteed 2HKO
Ranked #26 with 5.58% usage. Sorted by reliability score.