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
441.128
81.1%
dies 3.23%
▾
+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
255.4
73.2%
dies 4.73%
▾
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
55.435
68.6%
dies 8.78%
▾
252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Arceus: 129-153 (29 - 34.4%) -- 3.1% chance to 3HKO
04
Eternatus
PoisonDragon
OFFENSIVE CHECK
192.482
59.7%
dies 6.00%
▾
252+ SpA Eternatus Sludge Bomb vs. 252 HP / 252+ SpD Arceus-Fairy: 222-264 (50 - 59.4%) -- guaranteed 2HKO
05
Ferrothorn
GrassSteel
DEFENSIVE COUNTER
52.225
58.6%
dies 9.63%
▾
252+ SpA Arceus-Fairy Earth Power vs. 252 HP / 252+ SpD Ferrothorn: 67-79 (19 - 22.4%) -- possible 6HKO
06
Groudon-Primal
GroundFire
OFFENSIVE CHECK
461.05
58.5%
dies 3.96%
▾
252+ Atk Groudon-Primal Precipice Blades vs. 252 HP / 0 Def Arceus-Fairy: 237-279 (53.3 - 62.8%) -- guaranteed 2HKO
07
Kyogre-Primal
Water
OFFENSIVE CHECK
108.829
57.5%
dies 8.07%
▾
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
Ho-Oh
FireFlying
SOFT CHECK
369.37
51.1%
dies 4.47%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 0 Def Arceus-Fairy: 184-217 (41.4 - 48.8%) -- guaranteed 3HKO
09
Arceus-Ground
Ground
SOFT CHECK
116.139
49.1%
dies 8.01%
▾
252+ SpA Earth Plate Arceus-Ground Judgment vs. 252 HP / 252+ SpD Arceus-Fairy: 129-153 (29 - 34.4%) -- 3.1% chance to 3HKO
10
Chansey
Normal
SOFT CHECK
51.467
48.4%
dies 9.60%
▾
Chansey Seismic Toss vs. 252 HP Arceus-Fairy: 100-100 (22.5 - 22.5%) -- guaranteed 5HKO
11
Arceus-Fairy
Fairy
SOFT CHECK
79.601
46.2%
dies 9.65%
▾
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
Lunala
PsychicGhost
SOFT CHECK
48.819
43.4%
dies 9.82%
▾
+1 252+ SpA Lunala Meteor Beam vs. 252 HP / 252+ SpD Arceus-Fairy: 142-168 (31.9 - 37.8%) -- 93.9% chance to 3HKO
13
Chien-Pao
DarkIce
SOFT CHECK
70.852
35.3%
dies 9.64%
▾
252+ Atk Choice Band Sword of Ruin Chien-Pao Icicle Crash vs. 252 HP / 0 Def Arceus-Fairy: 246-291 (55.4 - 65.5%) -- guaranteed 2HKO
14
Marshadow
FightingGhost
SOFT CHECK
215.079
33.8%
dies 5.55%
▾
252+ Atk Marshadow Poltergeist vs. 252 HP / 0 Def Arceus-Fairy: 165-195 (37.1 - 43.9%) -- guaranteed 3HKO
15
Fezandipiti
PoisonFairy
SOFT CHECK
28.103
30.6%
dies 8.69%
▾
252+ Atk Fezandipiti Gunk Shot vs. 252 HP / 0 Def Arceus-Fairy: 288-342 (64.8 - 77%) -- guaranteed 2HKO
16
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
17
Zygarde
DragonGround
SOFT CHECK
291.506
21.2%
dies 4.08%
▾
252+ Atk Zygarde Thousand Arrows vs. 252 HP / 0 Def Arceus-Fairy: 115-136 (25.9 - 30.6%) -- guaranteed 4HKO
18
Arceus-Dark
Dark
SOFT CHECK
160.314
15.9%
dies 4.93%
▾
252+ SpA Dread Plate Arceus-Dark Judgment vs. 252 HP / 252+ SpD Arceus-Fairy: 64-76 (14.4 - 17.1%) -- possible 6HKO
19
22.49
13.7%
dies 7.25%
▾
252+ Atk Dondozo Liquidation vs. 252 HP / 0 Def Arceus-Fairy: 109-129 (24.5 - 29%) -- 99.5% chance to 4HKO
20
Giratina-Origin
GhostDragon
SOFT CHECK
159.677
13.1%
dies 4.59%
▾
0- Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 0 Def Arceus-Fairy: 127-151 (28.6 - 34%) -- 0.9% chance to 3HKO
21
Yveltal
DarkFlying
SOFT CHECK
561.571
11.8%
dies 2.32%
▾
252+ SpA Life Orb Yveltal Oblivion Wing vs. 252 HP / 252+ SpD Arceus-Fairy: 121-142 (27.2 - 31.9%) -- guaranteed 4HKO
22
Alomomola
Water
SOFT CHECK
59.624
9.2%
dies 5.13%
▾
252+ Atk Alomomola Flip Turn vs. 252 HP / 0 Def Arceus-Fairy: 64-76 (14.4 - 17.1%) -- possible 6HKO
Ranked #14 with 12.63% usage. Sorted by reliability score.