Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Giratina-Origin
GhostDragon
DEFENSIVE COUNTER
109.178
75.6%
dies 6.84%
▾
252+ SpA Deoxys-Attack Psycho Boost vs. 252 HP / 252+ SpD Giratina-Origin: 231-273 (45.8 - 54.1%) -- 50% chance to 2HKO
02
Kingambit
DarkSteel
DEFENSIVE COUNTER
62.926
63.3%
dies 8.50%
▾
0- Atk Deoxys-Attack Low Kick (100 BP) vs. 252 HP / 0 Def Kingambit: 372-440 (92 - 108.9%) -- 56.3% chance to OHKO
03
Calyrex-Ice
PsychicIce
DEFENSIVE COUNTER
120.24
61.3%
dies 7.63%
▾
0- Atk Deoxys-Attack Knock Off (97.5 BP) vs. 252 HP / 0 Def Calyrex-Ice: 148-176 (36.6 - 43.5%) -- guaranteed 3HKO
04
Necrozma-Dusk-Mane
PsychicSteel
OFFENSIVE CHECK
270.704
61.1%
dies 5.11%
▾
0- Atk Necrozma-Dusk-Mane Knock Off (97.5 BP) vs. 252 HP / 0 Def Deoxys-Attack: 576-678 (189.4 - 223%) -- guaranteed OHKO
05
Zacian-Crowned
FairySteel
OFFENSIVE CHECK
321.192
58.2%
dies 4.75%
▾
+1 252+ Atk Zacian-Crowned Crunch vs. 252 HP / 0 Def Deoxys-Attack: 988-1164 (325 - 382.8%) -- guaranteed OHKO
06
Arceus
Normal
DEFENSIVE COUNTER
255.895
57.6%
dies 5.32%
▾
0- Atk Deoxys-Attack Low Kick (120 BP) vs. 252 HP / 0 Def Arceus: 224-264 (50.4 - 59.4%) -- guaranteed 2HKO
07
Arceus-Ground
Ground
DEFENSIVE COUNTER
104.728
56.8%
dies 8.24%
▾
252+ SpA Deoxys-Attack Psycho Boost vs. 252 HP / 252+ SpD Arceus-Ground: 204-241 (45.9 - 54.2%) -- 54.3% chance to 2HKO
08
Arceus-Fairy
Fairy
DEFENSIVE COUNTER
140.548
55.1%
dies 7.26%
▾
252+ SpA Deoxys-Attack Psycho Boost vs. 252 HP / 252+ SpD Arceus-Fairy: 204-241 (45.9 - 54.2%) -- 54.3% chance to 2HKO
09
Arceus-Water
Water
SOFT CHECK
100.932
53.9%
dies 8.53%
▾
252+ SpA Splash Plate Arceus-Water Judgment vs. 252 HP / 252+ SpD Deoxys-Attack: 315-372 (103.6 - 122.3%) -- guaranteed OHKO
10
307.442
52.8%
dies 4.90%
▾
252+ SpA Choice Specs Kyogre Water Spout (150 BP) vs. 252 HP / 252+ SpD Deoxys-Attack in Rain: 1044-1228 (343.4 - 403.9%) -- guaranteed OHKO
11
Lunala
PsychicGhost
SOFT CHECK
241.402
52.7%
dies 5.52%
▾
252+ SpA Lunala Moongeist Beam vs. 252 HP / 252+ SpD Deoxys-Attack: 578-684 (190.1 - 225%) -- guaranteed OHKO
12
Terapagos
Normal
SOFT CHECK
76.756
51.9%
dies 8.05%
▾
252+ Atk Terapagos Rapid Spin vs. 252 HP / 0 Def Deoxys-Attack: 178-210 (58.5 - 69%) -- guaranteed 2HKO
13
Deoxys-Attack
Psychic
SOFT CHECK
30.681
50.0%
dies 9.03%
▾
0- Atk Deoxys-Attack Knock Off (97.5 BP) vs. 252 HP / 0 Def Deoxys-Attack: 650-766 (213.8 - 251.9%) -- guaranteed OHKO
14
Arceus-Ghost
Ghost
SOFT CHECK
23.077
49.8%
dies 10.41%
▾
252+ SpA Spooky Plate Arceus-Ghost Judgment vs. 252 HP / 252+ SpD Deoxys-Attack: 630-744 (207.2 - 244.7%) -- guaranteed OHKO
15
Ho-Oh
FireFlying
SOFT CHECK
502.98
49.2%
dies 3.85%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 0 Def Deoxys-Attack: 667-786 (219.4 - 258.5%) -- guaranteed OHKO
16
Ting-Lu
DarkGround
SOFT CHECK
84.622
48.1%
dies 9.35%
▾
252+ Atk Ting-Lu Payback (100 BP) vs. 252 HP / 0 Def Deoxys-Attack: 986-1164 (324.3 - 382.8%) -- guaranteed OHKO
17
Hatterene
PsychicFairy
SOFT CHECK
107.443
41.9%
dies 8.19%
▾
252+ SpA Hatterene Dazzling Gleam vs. 252 HP / 252+ SpD Deoxys-Attack: 231-273 (75.9 - 89.8%) -- guaranteed 2HKO
18
Ribombee
BugFairy
SOFT CHECK
68.596
36.7%
dies 8.17%
▾
252+ SpA Ribombee Moonblast vs. 252 HP / 252+ SpD Deoxys-Attack: 213-252 (70 - 82.8%) -- guaranteed 2HKO
19
Koraidon
FightingDragon
SOFT CHECK
505.632
32.3%
dies 3.60%
▾
252+ Atk Orichalcum Pulse Koraidon Flare Blitz vs. 252 HP / 0 Def Deoxys-Attack in Sun: 915-1077 (300.9 - 354.2%) -- guaranteed OHKO
20
Glimmora
RockPoison
SOFT CHECK
57.827
30.4%
dies 8.54%
▾
0- SpA Glimmora Sludge Bomb vs. 252 HP / 252+ SpD Deoxys-Attack: 169-201 (55.5 - 66.1%) -- guaranteed 2HKO
21
Gliscor
GroundFlying
SOFT CHECK
135.159
23.9%
dies 6.25%
▾
252+ Atk Gliscor Knock Off (97.5 BP) vs. 252 HP / 0 Def Deoxys-Attack: 578-682 (190.1 - 224.3%) -- guaranteed OHKO
22
Eternatus
PoisonDragon
SOFT CHECK
174.191
23.4%
dies 5.48%
▾
+1 252+ SpA Eternatus Meteor Beam vs. 252 HP / 252+ SpD Deoxys-Attack: 362-426 (119 - 140.1%) -- guaranteed OHKO
23
Groudon
Ground
SOFT CHECK
56.8
21.7%
dies 7.66%
▾
252+ Atk Groudon Precipice Blades vs. 252 HP / 0 Def Deoxys-Attack: 741-873 (243.7 - 287.1%) -- guaranteed OHKO
24
Blissey
Normal
SOFT CHECK
70.826
16.4%
dies 6.22%
▾
0- SpA Blissey Shadow Ball vs. 252 HP / 252+ SpD Deoxys-Attack: 126-150 (41.4 - 49.3%) -- guaranteed 3HKO
25
Landorus-Therian
GroundFlying
SOFT CHECK
78.502
14.0%
dies 6.58%
▾
252+ Atk Landorus-Therian Crunch vs. 252 HP / 0 Def Deoxys-Attack: 644-758 (211.8 - 249.3%) -- guaranteed OHKO
Ranked #21 with 7.51% usage. Sorted by reliability score.