Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Iron Treads
GroundSteel
DEFENSIVE COUNTER
103.651
93.2%
dies 4.16%
▾
252+ SpA Deoxys-Speed Psycho Boost vs. 252 HP / 252+ SpD Iron Treads: 91-108 (23.6 - 28.1%) -- possible 5HKO
02
Calyrex-Ice
PsychicIce
DEFENSIVE COUNTER
22.762
90.5%
dies 6.15%
▾
0- Atk Deoxys-Speed Knock Off (97.5 BP) vs. 252 HP / 0 Def Calyrex-Ice: 86-102 (21.2 - 25.2%) -- 0.1% chance to 4HKO
03
Arceus
Normal
DEFENSIVE COUNTER
136.143
86.4%
dies 4.87%
▾
252+ SpA Deoxys-Speed Psycho Boost vs. 252 HP / 252+ SpD Arceus: 129-153 (29 - 34.4%) -- 3.1% chance to 3HKO
04
Zacian-Crowned
FairySteel
OFFENSIVE CHECK
33.056
84.9%
dies 6.22%
▾
+1 252+ Atk Zacian-Crowned Play Rough vs. 252 HP / 0 Def Deoxys-Speed: 294-346 (96.7 - 113.8%) -- 81.3% chance to OHKO
05
Arceus-Ground
Ground
DEFENSIVE COUNTER
55.661
76.8%
dies 7.95%
▾
252+ SpA Deoxys-Speed Psycho Boost vs. 252 HP / 252+ SpD Arceus-Ground: 129-153 (29 - 34.4%) -- 3.1% chance to 3HKO
06
Flutter Mane
GhostFairy
OFFENSIVE CHECK
126.406
73.0%
dies 5.43%
▾
252+ SpA Flutter Mane Shadow Ball vs. 252 HP / 252+ SpD Deoxys-Speed: 228-270 (75 - 88.8%) -- guaranteed 2HKO
07
Calyrex-Shadow
PsychicGhost
OFFENSIVE CHECK
196.539
69.4%
dies 5.59%
▾
252+ SpA Calyrex-Shadow Astral Barrage vs. 252 HP / 252+ SpD Deoxys-Speed: 398-470 (130.9 - 154.6%) -- guaranteed OHKO
08
Ting-Lu
DarkGround
DEFENSIVE COUNTER
40.744
68.5%
dies 7.28%
▾
0- Atk Deoxys-Speed Knock Off (97.5 BP) vs. 252 HP / 0 Def Ting-Lu: 25-29 (4.8 - 5.6%)
09
Ho-Oh
FireFlying
DEFENSIVE COUNTER
113.863
67.8%
dies 7.19%
▾
252+ SpA Deoxys-Speed Psycho Boost vs. 252 HP / 252+ SpD Ho-Oh: 108-127 (25.9 - 30.5%) -- guaranteed 4HKO
10
Ribombee
BugFairy
OFFENSIVE CHECK
81.885
63.0%
dies 7.55%
▾
252+ SpA Ribombee Moonblast vs. 252 HP / 252+ SpD Deoxys-Speed: 106-126 (34.8 - 41.4%) -- guaranteed 3HKO
11
Grimmsnarl
DarkFairy
OFFENSIVE CHECK
34.697
56.3%
dies 8.42%
▾
252+ Atk Grimmsnarl Sucker Punch vs. 252 HP / 0 Def Deoxys-Speed: 260-308 (85.5 - 101.3%) -- 6.3% chance to OHKO
12
Hatterene
PsychicFairy
SOFT CHECK
105.095
51.3%
dies 8.40%
▾
252+ SpA Hatterene Misty Explosion vs. 252 HP / 252+ SpD Deoxys-Speed: 144-171 (47.3 - 56.2%) -- 82.4% chance to 2HKO
13
Deoxys-Speed
Psychic
SOFT CHECK
34.956
49.5%
dies 8.46%
▾
0- Atk Deoxys-Speed Knock Off (97.5 BP) vs. 252 HP / 0 Def Deoxys-Speed: 132-156 (43.4 - 51.3%) -- 6.6% chance to 2HKO
14
Glimmora
RockPoison
SOFT CHECK
122.804
47.8%
dies 7.57%
▾
0- SpA Glimmora Power Gem vs. 252 HP / 252+ SpD Deoxys-Speed: 76-90 (25 - 29.6%) -- guaranteed 4HKO
15
Koraidon
FightingDragon
SOFT CHECK
192.74
46.4%
dies 6.10%
▾
252+ Atk Orichalcum Pulse Koraidon Flare Blitz vs. 252 HP / 0 Def Deoxys-Speed in Sun: 323-381 (106.2 - 125.3%) -- guaranteed OHKO
16
Miraidon
ElectricDragon
SOFT CHECK
228.336
36.5%
dies 5.43%
▾
252+ SpA Hadron Engine Miraidon Electro Drift vs. 252 HP / 252+ SpD Deoxys-Speed in Electric Terrain: 246-291 (80.9 - 95.7%) -- guaranteed 2HKO
17
Smeargle
Normal
SOFT CHECK
226.071
34.2%
dies 5.14%
▾
252+ Atk Smeargle Nuzzle vs. 252 HP / 0 Def Deoxys-Speed: 11-13 (3.6 - 4.2%)
18
Alomomola
Water
SOFT CHECK
37.215
29.4%
dies 7.47%
▾
252+ Atk Alomomola Flip Turn vs. 252 HP / 0 Def Deoxys-Speed: 82-97 (26.9 - 31.9%) -- guaranteed 4HKO
19
100.953
28.7%
dies 7.64%
▾
Ditto vs. Deoxys-Speed: 0-0 (0 - 0%)
Ranked #29 with 4.70% usage. Sorted by reliability score.