Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Calyrex-Ice
PsychicIce
DEFENSIVE COUNTER
391.131
79.1%
dies 3.55%
▾
252+ SpA Earth Plate Arceus-Ground Judgment vs. 252 HP / 252+ SpD Calyrex-Ice: 123-145 (30.4 - 35.8%) -- 45.3% chance to 3HKO
02
Kyurem-White
DragonIce
OFFENSIVE CHECK
22.332
69.9%
dies 9.70%
03
Kyurem-Black
DragonIce
OFFENSIVE CHECK
124.6
69.5%
dies 7.05%
▾
252+ Atk Kyurem-Black Icicle Spear (3 hits) vs. 252 HP / 0 Def Arceus-Ground: 288-342 (64.8 - 77%) -- guaranteed 2HKO
04
Ursaluna
GroundNormal
OFFENSIVE CHECK
49.002
68.7%
dies 6.62%
▾
252+ Atk Ursaluna Headlong Rush vs. 252 HP / 0 Def Arceus-Ground: 195-229 (43.9 - 51.5%) -- 8.6% chance to 2HKO
05
Kyogre
Water
DEFENSIVE COUNTER
351.111
68.4%
dies 4.28%
▾
0- Atk Earth Plate Arceus-Ground Earthquake vs. 252 HP / 0 Def Kyogre: 148-175 (36.6 - 43.3%) -- guaranteed 3HKO
06
Wo-Chien
DarkGrass
DEFENSIVE COUNTER
141.314
68.3%
dies 6.70%
▾
252+ SpA Earth Plate Arceus-Ground Judgment vs. 252 HP / 252+ SpD Wo-Chien: 59-70 (15.7 - 18.7%) -- possible 8HKO
07
Calyrex-Shadow
PsychicGhost
OFFENSIVE CHECK
1,717.967
64.9%
dies 1.99%
▾
252+ SpA Calyrex-Shadow Grass Knot (120 BP) vs. 252 HP / 252+ SpD Arceus-Ground: 218-258 (49 - 58.1%) -- 97.7% chance to 2HKO
08
Chien-Pao
DarkIce
OFFENSIVE CHECK
93.998
61.6%
dies 8.47%
▾
252+ Atk Sword of Ruin Chien-Pao Icicle Crash vs. 252 HP / 0 Def Arceus-Ground: 330-390 (74.3 - 87.8%) -- guaranteed 2HKO
09
Arceus-Water
Water
DEFENSIVE COUNTER
107.543
59.9%
dies 7.83%
▾
252+ SpA Earth Plate Arceus-Ground Judgment vs. 252 HP / 252+ SpD Arceus-Water: 129-153 (29 - 34.4%) -- 3.1% chance to 3HKO
10
Giratina-Origin
GhostDragon
DEFENSIVE COUNTER
77.899
58.3%
dies 7.81%
▾
0- Atk Arceus-Ground Stone Edge vs. 252 HP / 0 Def Giratina-Origin: 76-90 (15 - 17.8%) -- possible 6HKO
11
Lapras
WaterIce
SOFT CHECK
90.207
54.6%
dies 7.19%
▾
12
Mandibuzz
DarkFlying
SOFT CHECK
84.199
53.1%
dies 7.43%
▾
0- Atk Mandibuzz Foul Play vs. 252 HP / 0 Def Arceus-Ground: 93-109 (20.9 - 24.5%) -- guaranteed 5HKO
13
Blissey
Normal
SOFT CHECK
68.452
51.8%
dies 6.04%
▾
Blissey Seismic Toss vs. 252 HP Arceus-Ground: 100-100 (22.5 - 22.5%) -- guaranteed 5HKO
14
Koraidon
FightingDragon
SOFT CHECK
1,594.421
51.0%
dies 2.17%
▾
252+ Atk Orichalcum Pulse Koraidon Flare Blitz vs. 252 HP / 0 Def Arceus-Ground in Sun: 253-298 (56.9 - 67.1%) -- guaranteed 2HKO
15
1,029.206
50.4%
dies 2.69%
▾
252+ Atk Arceus Extreme Speed vs. 252 HP / 0 Def Arceus-Ground: 117-138 (26.3 - 31%) -- guaranteed 4HKO
16
Arceus-Ground
Ground
SOFT CHECK
552.289
48.9%
dies 3.68%
▾
252+ SpA Earth Plate Arceus-Ground Judgment vs. 252 HP / 252+ SpD Arceus-Ground: 129-153 (29 - 34.4%) -- 3.1% chance to 3HKO
17
Sneasler
FightingPoison
SOFT CHECK
26.247
44.8%
dies 9.71%
▾
252+ Atk Sneasler Close Combat vs. 252 HP / 0 Def Arceus-Ground: 184-217 (41.4 - 48.8%) -- guaranteed 3HKO
18
177.82
41.6%
dies 6.26%
▾
252+ Atk Dondozo Wave Crash vs. 252 HP / 0 Def Arceus-Ground: 306-362 (68.9 - 81.5%) -- guaranteed 2HKO
19
Arceus-Fairy
Fairy
SOFT CHECK
276.967
41.3%
dies 5.11%
▾
252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Arceus-Ground: 129-153 (29 - 34.4%) -- 3.1% chance to 3HKO
20
Terapagos
Normal
SOFT CHECK
62.043
40.3%
dies 8.75%
▾
0- SpA Terapagos Tera Starstorm vs. 252 HP / 252+ SpD Arceus-Ground: 52-63 (11.7 - 14.1%) -- possible 8HKO
21
Grafaiai
PoisonNormal
SOFT CHECK
50.458
40.2%
dies 9.66%
▾
252+ Atk Grafaiai Dig vs. 252 HP / 0 Def Arceus-Ground: 67-79 (15 - 17.7%) -- possible 6HKO
22
Ting-Lu
DarkGround
SOFT CHECK
540.823
39.8%
dies 3.64%
▾
252+ Atk Ting-Lu Earthquake vs. 252 HP / 0 Def Arceus-Ground: 136-162 (30.6 - 36.4%) -- 58.2% chance to 3HKO
23
671.731
39.7%
dies 3.26%
▾
Ditto vs. Arceus-Ground: 0-0 (0 - 0%)
24
Zacian-Crowned
FairySteel
SOFT CHECK
441.916
35.8%
dies 3.94%
▾
+1 252+ Atk Zacian-Crowned Play Rough vs. 252 HP / 0 Def Arceus-Ground: 229-271 (51.5 - 61%) -- guaranteed 2HKO
25
Flutter Mane
GhostFairy
SOFT CHECK
196.423
35.2%
dies 5.78%
▾
252+ SpA Flutter Mane Moonblast vs. 252 HP / 252+ SpD Arceus-Ground: 111-132 (25 - 29.7%) -- guaranteed 4HKO
26
Landorus-Therian
GroundFlying
SOFT CHECK
37.325
34.5%
dies 7.78%
▾
252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Arceus-Ground: 166-196 (37.3 - 44.1%) -- guaranteed 3HKO
27
Necrozma-Dusk-Mane
PsychicSteel
SOFT CHECK
162.081
34.4%
dies 6.41%
▾
252+ Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Arceus-Ground: 178-210 (40 - 47.2%) -- guaranteed 3HKO
28
Gliscor
GroundFlying
SOFT CHECK
405.64
34.3%
dies 4.02%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Arceus-Ground: 124-147 (27.9 - 33.1%) -- guaranteed 4HKO
29
Corviknight
FlyingSteel
SOFT CHECK
317.676
33.4%
dies 4.41%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Arceus-Ground: 141-166 (31.7 - 37.3%) -- 87.1% chance to 3HKO
30
Skarmory
SteelFlying
SOFT CHECK
30.65
31.7%
dies 8.40%
▾
252+ Atk Skarmory Brave Bird vs. 252 HP / 0 Def Arceus-Ground: 133-157 (29.9 - 35.3%) -- 21.5% chance to 3HKO
Ranked #8 with 18.40% usage. Sorted by reliability score.