Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Garganacl
Rock
DEFENSIVE COUNTER
112.967
86.7%
dies 4.19%
▾
252+ Atk Ho-Oh Earthquake vs. 252 HP / 252+ Def Garganacl: 146-172 (36.1 - 42.5%) -- 93.2% chance to 3HKO after Leftovers recovery
02
Kyurem-Black
DragonIce
OFFENSIVE CHECK
29.543
84.5%
dies 6.65%
▾
252+ Atk Kyurem-Black Fusion Bolt vs. 252 HP / 0 Def Ho-Oh: 320-378 (76.9 - 90.8%) -- guaranteed 2HKO
03
Tyranitar-Mega
RockDark
DEFENSIVE COUNTER
87.864
82.5%
dies 6.48%
▾
252+ Atk Ho-Oh Earthquake vs. 252 HP / 252+ Def Tyranitar-Mega: 130-154 (32.1 - 38.1%) -- 95.7% chance to 3HKO
04
Arceus-Water
Water
DEFENSIVE COUNTER
23.904
82.0%
dies 7.85%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 252+ Def Arceus-Water: 136-162 (30.6 - 36.4%) -- 58.2% chance to 3HKO
05
Rayquaza
DragonFlying
OFFENSIVE CHECK
126.267
81.0%
dies 5.94%
▾
252+ Atk Choice Band Rayquaza Dragon Ascent vs. 252 HP / 0 Def Ho-Oh: 391-462 (93.9 - 111%) -- 62.5% chance to OHKO
06
Salamence-Mega
DragonFlying
OFFENSIVE CHECK
42.492
78.2%
dies 6.33%
▾
252+ Atk Aerilate Salamence-Mega Double-Edge vs. 252 HP / 0 Def Ho-Oh: 306-361 (73.5 - 86.7%) -- guaranteed 2HKO
07
Zygarde
DragonGround
DEFENSIVE COUNTER
852.175
78.1%
dies 2.43%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 252+ Def Zygarde: 135-160 (32.1 - 38%) -- 0.6% chance to 3HKO after Leftovers recovery
08
Calyrex-Ice
PsychicIce
DEFENSIVE COUNTER
93.207
76.1%
dies 7.54%
▾
252+ Atk Ho-Oh Sacred Fire vs. 252 HP / 252+ Def Calyrex-Ice: 194-230 (48 - 56.9%) -- 90.6% chance to 2HKO
09
Mewtwo
Psychic
OFFENSIVE CHECK
140.657
76.0%
dies 6.16%
▾
252+ SpA Life Orb Mewtwo Psystrike vs. 252 HP / 0 Def Ho-Oh: 289-341 (69.4 - 81.9%) -- guaranteed 2HKO
10
Arceus-Poison
Poison
DEFENSIVE COUNTER
24.221
73.4%
dies 8.98%
▾
252+ Atk Ho-Oh Earthquake vs. 252 HP / 252+ Def Arceus-Poison: 152-180 (34.2 - 40.5%) -- guaranteed 3HKO
11
Eternatus
PoisonDragon
OFFENSIVE CHECK
706.88
71.4%
dies 2.94%
▾
+1 252+ SpA Eternatus Meteor Beam vs. 252 HP / 252+ SpD Ho-Oh: 496-584 (119.2 - 140.3%) -- guaranteed OHKO
12
Kyogre-Primal
Water
OFFENSIVE CHECK
465.514
67.9%
dies 3.72%
▾
252+ SpA Kyogre-Primal Water Spout (150 BP) vs. 252 HP / 252+ SpD Ho-Oh in Heavy Rain: 548-648 (131.7 - 155.7%) -- guaranteed OHKO
13
Chi-Yu
DarkFire
OFFENSIVE CHECK
58.334
67.5%
dies 8.52%
▾
252+ SpA Beads of Ruin Chi-Yu Dark Pulse vs. 252 HP / 252+ SpD Ho-Oh: 105-124 (25.2 - 29.8%) -- guaranteed 4HKO
14
Mewtwo-Mega-X
PsychicFighting
OFFENSIVE CHECK
102.496
67.0%
dies 7.82%
▾
252+ Atk Mewtwo-Mega-X Stone Edge vs. 252 HP / 0 Def Ho-Oh: 700-824 (168.2 - 198%) -- guaranteed OHKO
15
Groudon-Primal
GroundFire
OFFENSIVE CHECK
1,497.636
66.3%
dies 2.11%
▾
252+ Atk Groudon-Primal Rock Tomb vs. 252 HP / 0 Def Ho-Oh: 404-476 (97.1 - 114.4%) -- 81.3% chance to OHKO
16
Mewtwo-Mega-Y
Psychic
OFFENSIVE CHECK
30.711
65.4%
dies 8.59%
▾
252+ SpA Mewtwo-Mega-Y Psystrike vs. 252 HP / 0 Def Ho-Oh: 267-315 (64.1 - 75.7%) -- guaranteed 2HKO
17
Kyogre
Water
DEFENSIVE COUNTER
42.541
64.1%
dies 10.38%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 252+ Def Kyogre: 166-196 (41 - 48.5%) -- guaranteed 3HKO
18
Arceus
Normal
DEFENSIVE COUNTER
244.122
61.3%
dies 5.37%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 252+ Def Arceus: 136-162 (30.6 - 36.4%) -- 58.2% chance to 3HKO
19
Melmetal
Steel
DEFENSIVE COUNTER
140.148
61.2%
dies 7.10%
▾
252+ Atk Ho-Oh Sacred Fire vs. 252 HP / 252+ Def Melmetal: 204-240 (43 - 50.6%) -- 2% chance to 2HKO
20
Deoxys-Attack
Psychic
OFFENSIVE CHECK
146.913
59.6%
dies 6.96%
▾
0- Atk Life Orb Deoxys-Attack Rock Slide vs. 252 HP / 0 Def Ho-Oh: 463-546 (111.2 - 131.2%) -- guaranteed OHKO
21
Necrozma-Dusk-Mane
PsychicSteel
OFFENSIVE CHECK
466.855
58.7%
dies 3.92%
▾
0- Atk Necrozma-Dusk-Mane Stone Edge vs. 252 HP / 0 Def Ho-Oh: 420-496 (100.9 - 119.2%) -- guaranteed OHKO
22
Arceus-Ground
Ground
DEFENSIVE COUNTER
429.325
58.7%
dies 4.05%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 252+ Def Arceus-Ground: 136-162 (30.6 - 36.4%) -- 58.2% chance to 3HKO
23
Chien-Pao
DarkIce
OFFENSIVE CHECK
191.209
56.5%
dies 5.97%
▾
252+ Atk Sword of Ruin Chien-Pao Icicle Crash vs. 252 HP / 0 Def Ho-Oh: 210-247 (50.4 - 59.3%) -- guaranteed 2HKO
24
Pecharunt
PoisonGhost
DEFENSIVE COUNTER
68.598
55.8%
dies 6.00%
▾
252+ Atk Ho-Oh Earthquake vs. 252 HP / 252+ Def Pecharunt: 124-146 (32.6 - 38.4%) -- 2.9% chance to 3HKO after Leftovers recovery
25
Yveltal
DarkFlying
OFFENSIVE CHECK
947.106
55.7%
dies 2.78%
▾
0- Atk Life Orb Dark Aura Yveltal Knock Off (97.5 BP) vs. 252 HP / 0 Def Ho-Oh: 226-266 (54.3 - 63.9%) -- guaranteed 2HKO
26
Marshadow
FightingGhost
SOFT CHECK
568.235
54.2%
dies 3.61%
▾
252+ Atk Technician Marshadow Rock Tomb vs. 252 HP / 0 Def Ho-Oh: 460-544 (110.5 - 130.7%) -- guaranteed OHKO
27
Lunala
PsychicGhost
SOFT CHECK
148.461
53.4%
dies 7.08%
▾
+1 252+ SpA Lunala Meteor Beam vs. 252 HP / 252+ SpD Ho-Oh: 476-560 (114.4 - 134.6%) -- guaranteed OHKO
28
Lugia
PsychicFlying
SOFT CHECK
50.955
52.6%
dies 9.80%
▾
252+ SpA Lugia Aeroblast vs. 252 HP / 252+ SpD Ho-Oh: 75-88 (18 - 21.1%) -- possible 5HKO
29
Zacian-Crowned
FairySteel
SOFT CHECK
777.798
50.2%
dies 3.10%
▾
+1 252+ Atk Zacian-Crowned Wild Charge vs. 252 HP / 0 Def Ho-Oh: 392-462 (94.2 - 111%) -- 62.5% chance to OHKO
30
Arceus-Dark
Dark
SOFT CHECK
430.027
49.1%
dies 4.16%
▾
0- Atk Dread Plate Arceus-Dark Foul Play vs. 252 HP / 0 Def Ho-Oh: 151-178 (36.2 - 42.7%) -- guaranteed 3HKO
Ranked #6 with 28.62% usage. Sorted by reliability score.