Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Dondozo
Water
DEFENSIVE COUNTER
136.292
62.6%
dies 7.16%
▾
252+ Atk Calyrex-Ice Seed Bomb vs. 252 HP / 252+ Def Dondozo: 150-178 (29.7 - 35.3%) -- guaranteed 4HKO after Leftovers recovery
02
Arceus-Water
Water
DEFENSIVE COUNTER
52.556
61.3%
dies 9.48%
▾
252+ Atk Calyrex-Ice Seed Bomb vs. 252 HP / 252+ Def Arceus-Water: 146-174 (32.8 - 39.1%) -- 99.8% chance to 3HKO
03
Skeledirge
FireGhost
DEFENSIVE COUNTER
154.82
59.2%
dies 6.75%
▾
252+ Atk Calyrex-Ice High Horsepower vs. 252 HP / 252+ Def Skeledirge: 196-232 (47.5 - 56.3%) -- 83.6% chance to 2HKO
04
Necrozma-Dusk-Mane
PsychicSteel
OFFENSIVE CHECK
96.122
58.2%
dies 8.27%
▾
252+ Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Calyrex-Ice: 290-344 (71.7 - 85.1%) -- guaranteed 2HKO
05
Calyrex-Shadow
PsychicGhost
SOFT CHECK
975.234
53.2%
dies 2.75%
▾
252+ SpA Calyrex-Shadow Astral Barrage vs. 252 HP / 252+ SpD Calyrex-Ice: 308-366 (76.2 - 90.5%) -- guaranteed 2HKO
06
Arceus-Fairy
Fairy
SOFT CHECK
142.802
51.5%
dies 7.15%
▾
252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Calyrex-Ice: 123-145 (30.4 - 35.8%) -- 45.3% chance to 3HKO
07
Kingambit
DarkSteel
SOFT CHECK
99.5
50.9%
dies 8.67%
▾
252+ Atk Black Glasses Kingambit Kowtow Cleave vs. 252 HP / 0 Def Calyrex-Ice: 266-314 (65.8 - 77.7%) -- guaranteed 2HKO
08
Calyrex-Ice
PsychicIce
SOFT CHECK
189.783
48.1%
dies 6.24%
▾
252+ Atk Calyrex-Ice Close Combat vs. 252 HP / 0 Def Calyrex-Ice: 121-143 (29.9 - 35.3%) -- 24.6% chance to 3HKO
09
Chien-Pao
DarkIce
SOFT CHECK
21.036
47.7%
dies 10.89%
▾
252+ Atk Sword of Ruin Chien-Pao Crunch vs. 252 HP / 0 Def Calyrex-Ice: 254-302 (62.8 - 74.7%) -- guaranteed 2HKO
10
371.23
45.2%
dies 4.43%
▾
Ditto vs. Calyrex-Ice: 0-0 (0 - 0%)
11
Koraidon
FightingDragon
SOFT CHECK
804.87
44.7%
dies 3.02%
▾
252+ Atk Orichalcum Pulse Koraidon Flare Blitz vs. 252 HP / 0 Def Calyrex-Ice in Sun: 418-492 (103.4 - 121.7%) -- guaranteed OHKO
12
Incineroar
FireDark
SOFT CHECK
83.323
42.9%
dies 7.42%
▾
252+ Atk Incineroar Knock Off (97.5 BP) vs. 252 HP / 0 Def Calyrex-Ice: 224-266 (55.4 - 65.8%) -- guaranteed 2HKO
13
212.431
40.8%
dies 5.80%
▾
252+ SpA Kyogre Water Spout (150 BP) vs. 252 HP / 252+ SpD Calyrex-Ice in Rain: 271-319 (67 - 78.9%) -- guaranteed 2HKO
14
Zacian-Crowned
FairySteel
SOFT CHECK
263.986
36.3%
dies 5.06%
▾
+1 252+ Atk Zacian-Crowned Iron Head vs. 252 HP / 0 Def Calyrex-Ice: 338-398 (83.6 - 98.5%) -- guaranteed 2HKO
15
Groudon
Ground
SOFT CHECK
20.352
34.5%
dies 10.54%
▾
252+ Atk Groudon Stone Edge vs. 252 HP / 0 Def Calyrex-Ice: 188-222 (46.5 - 54.9%) -- 64.8% chance to 2HKO
16
625.989
34.1%
dies 3.28%
▾
252+ Atk Arceus Shadow Claw vs. 252 HP / 0 Def Calyrex-Ice: 112-134 (27.7 - 33.1%) -- guaranteed 4HKO
17
Corviknight
FlyingSteel
SOFT CHECK
92.675
34.1%
dies 6.94%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Calyrex-Ice: 117-138 (28.9 - 34.1%) -- 2.1% chance to 3HKO
18
Miraidon
ElectricDragon
SOFT CHECK
781.624
32.2%
dies 2.89%
▾
252+ SpA Hadron Engine Miraidon Overheat vs. 252 HP / 252+ SpD Calyrex-Ice: 256-302 (63.3 - 74.7%) -- guaranteed 2HKO
19
Smeargle
Normal
SOFT CHECK
271.117
32.0%
dies 4.79%
▾
252+ Atk Smeargle Nuzzle vs. 252 HP / 0 Def Calyrex-Ice: 7-9 (1.7 - 2.2%)
20
Lapras
WaterIce
SOFT CHECK
55.408
27.7%
dies 8.12%
▾
21
Wo-Chien
DarkGrass
SOFT CHECK
33.184
27.5%
dies 7.75%
▾
0- Atk Wo-Chien Foul Play vs. 252 HP / 0 Def Calyrex-Ice: 204-240 (50.4 - 59.4%) -- guaranteed 2HKO
22
Ho-Oh
FireFlying
SOFT CHECK
602.016
27.2%
dies 3.14%
▾
252+ Atk Ho-Oh Sacred Fire vs. 252 HP / 0 Def Calyrex-Ice: 254-300 (62.8 - 74.2%) -- guaranteed 2HKO
23
Grafaiai
PoisonNormal
SOFT CHECK
46.068
24.9%
dies 8.92%
▾
252+ Atk Grafaiai Knock Off (97.5 BP) vs. 252 HP / 0 Def Calyrex-Ice: 132-156 (32.6 - 38.6%) -- 98.9% chance to 3HKO
24
Kyurem-Black
DragonIce
SOFT CHECK
78.472
23.9%
dies 6.70%
▾
252+ Atk Kyurem-Black Iron Head vs. 252 HP / 0 Def Calyrex-Ice: 166-196 (41 - 48.5%) -- guaranteed 3HKO
25
Toxapex
PoisonWater
SOFT CHECK
20.146
23.4%
dies 9.44%
▾
252+ Atk Toxapex Liquidation vs. 252 HP / 0 Def Calyrex-Ice: 67-81 (16.5 - 20%) -- possible 5HKO
26
Alomomola
Water
SOFT CHECK
426.255
22.9%
dies 3.46%
▾
252+ Atk Alomomola Flip Turn vs. 252 HP / 0 Def Calyrex-Ice: 52-63 (12.8 - 15.5%) -- possible 7HKO
27
Gliscor
GroundFlying
SOFT CHECK
164.309
19.9%
dies 5.35%
▾
252+ Atk Gliscor Knock Off (97.5 BP) vs. 252 HP / 0 Def Calyrex-Ice: 132-156 (32.6 - 38.6%) -- 98.9% chance to 3HKO
28
Arceus-Ground
Ground
SOFT CHECK
391.131
19.3%
dies 3.45%
▾
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
29
Giratina-Origin
GhostDragon
SOFT CHECK
25.284
19.2%
dies 7.83%
▾
252+ Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 0 Def Calyrex-Ice: 314-372 (77.7 - 92%) -- guaranteed 2HKO
30
Glimmora
RockPoison
SOFT CHECK
192.739
16.4%
dies 4.48%
▾
0- SpA Glimmora Power Gem vs. 252 HP / 252+ SpD Calyrex-Ice: 116-140 (28.7 - 34.6%) -- 8.3% chance to 3HKO
Ranked #20 with 7.96% usage. Sorted by reliability score.