Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Calyrex-Ice
PsychicIce
DEFENSIVE COUNTER
25.284
80.8%
dies 7.83%
▾
252+ Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 252+ Def Calyrex-Ice: 242-288 (59.9 - 71.2%) -- guaranteed 2HKO
02
Zacian-Crowned
FairySteel
OFFENSIVE CHECK
52.629
76.6%
dies 8.24%
▾
+1 252+ Atk Zacian-Crowned Play Rough vs. 252 HP / 0 Def Giratina-Origin: 540-636 (107.1 - 126.1%) -- guaranteed OHKO
03
Arceus
Normal
DEFENSIVE COUNTER
135.228
61.1%
dies 5.82%
▾
0- SpA Griseous Core Giratina-Origin Draco Meteor vs. 252 HP / 0 SpD Arceus: 151-178 (34 - 40%) -- guaranteed 3HKO
04
Kyogre
Water
DEFENSIVE COUNTER
25.916
60.6%
dies 9.60%
▾
252+ Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 252+ Def Kyogre: 172-204 (42.5 - 50.4%) -- 1.2% chance to 2HKO
05
Koraidon
FightingDragon
OFFENSIVE CHECK
205.556
59.9%
dies 5.67%
▾
252+ Atk Orichalcum Pulse Koraidon Outrage vs. 252 HP / 0 Def Giratina-Origin: 590-696 (117 - 138%) -- guaranteed OHKO
06
Calyrex-Shadow
PsychicGhost
SOFT CHECK
259.338
54.7%
dies 5.20%
▾
252+ SpA Calyrex-Shadow Astral Barrage vs. 252 HP / 252+ SpD Giratina-Origin: 372-438 (73.8 - 86.9%) -- guaranteed 2HKO
07
Miraidon
ElectricDragon
SOFT CHECK
226.206
54.1%
dies 5.59%
▾
252+ SpA Hadron Engine Miraidon Draco Meteor vs. 252 HP / 252+ SpD Giratina-Origin: 458-542 (90.8 - 107.5%) -- 50% chance to OHKO
08
Smeargle
Normal
SOFT CHECK
66.485
50.5%
dies 8.50%
▾
252+ Atk Smeargle Nuzzle vs. 252 HP / 0 Def Giratina-Origin: 5-6 (0.9 - 1.1%)
09
Corviknight
FlyingSteel
SOFT CHECK
30.988
48.4%
dies 8.98%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Giratina-Origin: 165-195 (32.7 - 38.6%) -- 98.9% chance to 3HKO
10
Ho-Oh
FireFlying
SOFT CHECK
264.272
47.8%
dies 5.01%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 0 Def Giratina-Origin: 216-255 (42.8 - 50.5%) -- 2.3% chance to 2HKO
11
Gliscor
GroundFlying
SOFT CHECK
39.232
41.0%
dies 7.85%
▾
252+ Atk Gliscor Knock Off vs. 252 HP / 0 Def Giratina-Origin: 126-150 (25 - 29.7%) -- guaranteed 4HKO
12
Ting-Lu
DarkGround
SOFT CHECK
62.276
39.3%
dies 8.69%
▾
252+ Atk Ting-Lu Payback (100 BP) vs. 252 HP / 0 Def Giratina-Origin: 320-378 (63.4 - 75%) -- guaranteed 2HKO
13
Arceus-Ground
Ground
SOFT CHECK
77.899
38.1%
dies 7.70%
▾
0- Atk Arceus-Ground Stone Edge vs. 252 HP / 0 Def Giratina-Origin: 76-90 (15 - 17.8%) -- possible 6HKO
14
65.487
28.1%
dies 7.86%
▾
Ditto vs. Giratina-Origin: 0-0 (0 - 0%)
15
Clodsire
PoisonGround
SOFT CHECK
61.403
27.3%
dies 7.82%
▾
16
Iron Treads
GroundSteel
SOFT CHECK
24.536
22.5%
dies 8.43%
▾
252+ Atk Iron Treads Ice Spinner vs. 252 HP / 0 Def Giratina-Origin: 174-206 (34.5 - 40.8%) -- guaranteed 3HKO
17
Alomomola
Water
SOFT CHECK
109.168
19.6%
dies 5.29%
▾
252+ Atk Alomomola Play Rough vs. 252 HP / 0 Def Giratina-Origin: 150-178 (29.7 - 35.3%) -- 21.9% chance to 3HKO
18
Glimmora
RockPoison
SOFT CHECK
22.182
16.0%
dies 7.78%
▾
0- SpA Glimmora Dazzling Gleam vs. 252 HP / 252+ SpD Giratina-Origin: 94-112 (18.6 - 22.2%) -- possible 5HKO
Ranked #36 with 2.75% usage. Sorted by reliability score.