Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Zacian-Crowned
FairySteel
OFFENSIVE CHECK
453.864
82.2%
dies 3.07%
▾
+1 252+ Atk Zacian-Crowned Iron Head vs. 252 HP / 0 Def Arceus-Fairy: 408-482 (91.8 - 108.5%) -- 56.3% chance to OHKO
02
Necrozma-Dusk-Mane
PsychicSteel
OFFENSIVE CHECK
398.365
72.1%
dies 3.86%
▾
0- Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Arceus-Fairy: 246-290 (55.4 - 65.3%) -- guaranteed 2HKO
03
Arceus
Normal
DEFENSIVE COUNTER
105.72
72.1%
dies 7.51%
▾
252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Arceus: 129-153 (29 - 34.4%) -- 3.1% chance to 3HKO
04
Groudon-Primal
GroundFire
OFFENSIVE CHECK
576.774
65.3%
dies 3.40%
▾
252+ Atk Groudon-Primal Precipice Blades vs. 252 HP / 0 Def Arceus-Fairy: 237-279 (53.3 - 62.8%) -- guaranteed 2HKO
05
Chansey
Normal
DEFENSIVE COUNTER
22.578
60.8%
dies 10.28%
▾
252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Eviolite Chansey: 94-112 (13.3 - 15.9%) -- possible 7HKO
06
Eternatus
PoisonDragon
OFFENSIVE CHECK
230.708
59.2%
dies 5.52%
▾
252+ SpA Eternatus Sludge Bomb vs. 252 HP / 252+ SpD Arceus-Fairy: 222-264 (50 - 59.4%) -- guaranteed 2HKO
07
Kyogre-Primal
Water
OFFENSIVE CHECK
138.213
59.1%
dies 7.14%
▾
252+ SpA Kyogre-Primal Water Spout (150 BP) vs. 252 HP / 252+ SpD Arceus-Fairy in Heavy Rain: 328-387 (73.8 - 87.1%) -- guaranteed 2HKO
08
Ferrothorn
GrassSteel
DEFENSIVE COUNTER
24.968
56.8%
dies 9.91%
▾
252+ SpA Arceus-Fairy Earth Power vs. 252 HP / 252+ SpD Ferrothorn: 67-79 (19 - 22.4%) -- possible 6HKO
09
Ho-Oh
FireFlying
SOFT CHECK
483.575
53.5%
dies 3.90%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 0 Def Arceus-Fairy: 184-217 (41.4 - 48.8%) -- guaranteed 3HKO
10
Arceus-Ground
Ground
SOFT CHECK
107.311
51.8%
dies 8.30%
▾
252+ Atk Earth Plate Arceus-Ground Earthquake vs. 252 HP / 0 Def Arceus-Fairy: 174-205 (39.1 - 46.1%) -- guaranteed 3HKO
11
Arceus-Fairy
Fairy
SOFT CHECK
110.674
45.7%
dies 8.03%
▾
252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Arceus-Fairy: 129-153 (29 - 34.4%) -- 3.1% chance to 3HKO
12
Deoxys-Attack
Psychic
SOFT CHECK
24.708
40.7%
dies 9.88%
▾
252+ SpA Life Orb Deoxys-Attack Psycho Boost vs. 252 HP / 252+ SpD Arceus-Fairy: 265-313 (59.6 - 70.4%) -- guaranteed 2HKO
13
Marshadow
FightingGhost
SOFT CHECK
254.165
36.0%
dies 5.13%
▾
252+ Atk Marshadow Poltergeist vs. 252 HP / 0 Def Arceus-Fairy: 165-195 (37.1 - 43.9%) -- guaranteed 3HKO
14
Fezandipiti
PoisonFairy
SOFT CHECK
87.23
35.1%
dies 8.61%
▾
252+ Atk Fezandipiti Gunk Shot vs. 252 HP / 0 Def Arceus-Fairy: 288-342 (64.8 - 77%) -- guaranteed 2HKO
15
Lunala
PsychicGhost
SOFT CHECK
50.13
31.5%
dies 9.27%
▾
+1 252+ SpA Lunala Meteor Beam vs. 252 HP / 252+ SpD Arceus-Fairy: 142-168 (31.9 - 37.8%) -- 93.9% chance to 3HKO
16
Chien-Pao
DarkIce
SOFT CHECK
50.081
30.5%
dies 9.20%
▾
252+ Atk Sword of Ruin Chien-Pao Icicle Crash vs. 252 HP / 0 Def Arceus-Fairy: 165-195 (37.1 - 43.9%) -- guaranteed 3HKO
17
23.975
28.4%
dies 9.21%
▾
Ditto vs. Arceus-Fairy: 0-0 (0 - 0%)
18
Zygarde
DragonGround
SOFT CHECK
434.131
22.8%
dies 3.41%
▾
252+ Atk Zygarde Thousand Arrows vs. 252 HP / 0 Def Arceus-Fairy: 115-136 (25.9 - 30.6%) -- guaranteed 4HKO
19
Rayquaza
DragonFlying
SOFT CHECK
36.713
22.2%
dies 6.86%
▾
252+ Atk Choice Band Rayquaza Dragon Ascent vs. 252 HP / 0 Def Arceus-Fairy: 306-361 (68.9 - 81.3%) -- guaranteed 2HKO
20
Arceus-Dark
Dark
SOFT CHECK
218.724
18.0%
dies 4.46%
▾
252+ SpA Dread Plate Arceus-Dark Judgment vs. 252 HP / 252+ SpD Arceus-Fairy: 64-76 (14.4 - 17.1%) -- possible 6HKO
21
Giratina-Origin
GhostDragon
SOFT CHECK
174.907
10.5%
dies 3.87%
▾
0- Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 0 Def Arceus-Fairy: 127-151 (28.6 - 34%) -- 0.9% chance to 3HKO
22
Yveltal
DarkFlying
SOFT CHECK
658.772
9.5%
dies 1.96%
▾
252+ SpA Life Orb Yveltal Oblivion Wing vs. 252 HP / 252+ SpD Arceus-Fairy: 121-142 (27.2 - 31.9%) -- guaranteed 4HKO
23
Alomomola
Water
SOFT CHECK
108.966
7.1%
dies 4.21%
▾
252+ Atk Alomomola Flip Turn vs. 252 HP / 0 Def Arceus-Fairy: 64-76 (14.4 - 17.1%) -- possible 6HKO
Ranked #13 with 13.50% usage. Sorted by reliability score.