Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Mewtwo-Mega-Y
Psychic
OFFENSIVE CHECK
24.317
86.1%
dies 7.02%
▾
252+ SpA Mewtwo-Mega-Y Psystrike vs. 252 HP / 0 Def Eternatus: 510-600 (105.3 - 123.9%) -- guaranteed OHKO
02
Deoxys-Attack
Psychic
OFFENSIVE CHECK
82.787
84.1%
dies 6.85%
▾
252+ SpA Life Orb Deoxys-Attack Psycho Boost vs. 252 HP / 252+ SpD Eternatus: 619-733 (127.8 - 151.4%) -- guaranteed OHKO
03
Mewtwo
Psychic
OFFENSIVE CHECK
22.819
83.9%
dies 7.70%
▾
252+ SpA Life Orb Mewtwo Psystrike vs. 252 HP / 0 Def Eternatus: 554-655 (114.4 - 135.3%) -- guaranteed OHKO
04
Chien-Pao
DarkIce
OFFENSIVE CHECK
136.769
83.2%
dies 5.18%
▾
252+ Atk Sword of Ruin Chien-Pao Icicle Crash vs. 252 HP / 0 Def Eternatus: 404-476 (83.4 - 98.3%) -- guaranteed 2HKO
05
Zacian-Crowned
FairySteel
OFFENSIVE CHECK
510.879
69.1%
dies 3.52%
▾
+1 252+ Atk Zacian-Crowned Play Rough vs. 252 HP / 0 Def Eternatus: 280-331 (57.8 - 68.3%) -- guaranteed 2HKO
06
Arceus
Normal
DEFENSIVE COUNTER
161.202
66.3%
dies 6.32%
▾
252+ SpA Eternatus Draco Meteor vs. 252 HP / 252+ SpD Arceus: 160-190 (36 - 42.7%) -- guaranteed 3HKO
07
Necrozma-Dusk-Mane
PsychicSteel
OFFENSIVE CHECK
448.396
63.6%
dies 3.93%
▾
252+ SpA Necrozma-Dusk-Mane Photon Geyser vs. 252 HP / 252+ SpD Eternatus: 242-288 (50 - 59.5%) -- guaranteed 2HKO
08
Chansey
Normal
DEFENSIVE COUNTER
172.132
61.5%
dies 6.33%
▾
252+ SpA Eternatus Draco Meteor vs. 252 HP / 252+ SpD Eviolite Chansey: 118-139 (16.7 - 19.7%) -- guaranteed 6HKO
09
Mewtwo-Mega-X
PsychicFighting
OFFENSIVE CHECK
21.076
60.6%
dies 10.64%
▾
252+ Atk Mewtwo-Mega-X Zen Headbutt vs. 252 HP / 0 Def Eternatus: 402-474 (83 - 97.9%) -- guaranteed 2HKO
10
Pheromosa
BugFighting
OFFENSIVE CHECK
57.589
59.9%
dies 9.02%
▾
252+ Atk Choice Band Pheromosa Triple Axel (120 BP) (3 hits) vs. 252 HP / 0 Def Eternatus: 472-558 (97.5 - 115.2%) -- 97.2% chance to OHKO
11
Arceus-Ground
Ground
DEFENSIVE COUNTER
171.524
57.9%
dies 6.47%
▾
252+ SpA Eternatus Draco Meteor vs. 252 HP / 252+ SpD Arceus-Ground: 160-190 (36 - 42.7%) -- guaranteed 3HKO
12
Lunala
PsychicGhost
OFFENSIVE CHECK
54.509
57.1%
dies 9.47%
▾
252+ SpA Lunala Psyshock vs. 252 HP / 0 Def Eternatus: 312-368 (64.4 - 76%) -- guaranteed 2HKO
13
Kyogre-Primal
Water
OFFENSIVE CHECK
347.33
56.9%
dies 4.58%
▾
252+ SpA Kyogre-Primal Ice Beam vs. 252 HP / 252+ SpD Eternatus: 206-244 (42.5 - 50.4%) -- 1.2% chance to 2HKO
14
66.661
51.4%
dies 8.54%
▾
Ditto vs. Eternatus: 0-0 (0 - 0%)
15
Eternatus
PoisonDragon
SOFT CHECK
263.758
47.1%
dies 5.28%
▾
252+ SpA Eternatus Draco Meteor vs. 252 HP / 252+ SpD Eternatus: 378-446 (78 - 92.1%) -- guaranteed 2HKO
16
Groudon-Primal
GroundFire
SOFT CHECK
670.625
44.4%
dies 3.31%
▾
252+ Atk Groudon-Primal Precipice Blades vs. 252 HP / 0 Def Eternatus: 576-678 (119 - 140%) -- guaranteed OHKO
17
Zygarde
DragonGround
SOFT CHECK
397.55
42.0%
dies 4.27%
▾
252+ Atk Zygarde Outrage vs. 252 HP / 0 Def Eternatus: 374-444 (77.2 - 91.7%) -- guaranteed 2HKO
18
Rayquaza
DragonFlying
SOFT CHECK
54.007
40.7%
dies 8.94%
▾
252+ Atk Choice Band Rayquaza Scale Shot (3 hits) vs. 252 HP / 0 Def Eternatus: 474-564 (97.9 - 116.5%) -- 99.5% chance to OHKO
19
Fezandipiti
PoisonFairy
SOFT CHECK
60.092
39.6%
dies 8.83%
▾
252+ Atk Fezandipiti Play Rough vs. 252 HP / 0 Def Eternatus: 133-157 (27.4 - 32.4%) -- guaranteed 4HKO
20
Marshadow
FightingGhost
SOFT CHECK
350.705
38.1%
dies 4.43%
▾
252+ Atk Marshadow Poltergeist vs. 252 HP / 0 Def Eternatus: 201-237 (41.5 - 48.9%) -- guaranteed 3HKO
21
Arceus-Dark
Dark
SOFT CHECK
232.112
37.0%
dies 5.47%
▾
252+ SpA Dread Plate Arceus-Dark Judgment vs. 252 HP / 252+ SpD Eternatus: 153-180 (31.6 - 37.1%) -- 82.5% chance to 3HKO
22
Garganacl
Rock
SOFT CHECK
44.705
36.5%
dies 10.18%
▾
252+ Atk Garganacl Earthquake vs. 252 HP / 0 Def Eternatus: 208-246 (42.9 - 50.8%) -- 3.1% chance to 2HKO
23
Ferrothorn
GrassSteel
SOFT CHECK
26.264
35.2%
dies 9.32%
▾
252+ Atk Ferrothorn Knock Off (97.5 BP) vs. 252 HP / 0 Def Eternatus: 97-115 (20 - 23.7%) -- guaranteed 5HKO
24
Giratina-Origin
GhostDragon
SOFT CHECK
151.171
32.8%
dies 6.53%
▾
252+ SpA Griseous Core Giratina-Origin Draco Meteor vs. 252 HP / 252+ SpD Eternatus: 392-464 (80.9 - 95.8%) -- guaranteed 2HKO
25
Arceus-Fairy
Fairy
SOFT CHECK
230.708
32.7%
dies 5.30%
▾
252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Eternatus: 153-180 (31.6 - 37.1%) -- 82.5% chance to 3HKO
26
Shaymin-Sky
GrassFlying
SOFT CHECK
23.312
25.6%
dies 9.03%
▾
252+ SpA Shaymin-Sky Earth Power vs. 252 HP / 252+ SpD Eternatus: 152-180 (31.4 - 37.1%) -- 82.7% chance to 3HKO
27
Yveltal
DarkFlying
SOFT CHECK
569.011
25.3%
dies 3.13%
▾
0- Atk Life Orb Dark Aura Yveltal Knock Off (97.5 BP) vs. 252 HP / 0 Def Eternatus: 216-255 (44.6 - 52.6%) -- 22.7% chance to 2HKO
28
Ho-Oh
FireFlying
SOFT CHECK
706.88
17.5%
dies 2.46%
▾
252+ Atk Ho-Oh Earthquake vs. 252 HP / 0 Def Eternatus: 250-296 (51.6 - 61.1%) -- guaranteed 2HKO
29
Alomomola
Water
SOFT CHECK
238.64
13.5%
dies 3.77%
▾
252+ Atk Alomomola Knock Off (97.5 BP) vs. 252 HP / 0 Def Eternatus: 85-100 (17.5 - 20.6%) -- possible 5HKO
30
91.032
10.1%
dies 5.25%
▾
252+ Atk Dondozo Earthquake vs. 252 HP / 0 Def Eternatus: 208-246 (42.9 - 50.8%) -- 3.1% chance to 2HKO
Ranked #9 with 20.66% usage. Sorted by reliability score.