Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Victini
PsychicFire
DEFENSIVE COUNTER
48.377
70.6%
dies 9.24%
▾
252+ Atk Celesteela Earthquake vs. 252 HP / 252+ Def Victini: 146-172 (36.1 - 42.5%) -- guaranteed 3HKO
02
Heatran
FireSteel
OFFENSIVE CHECK
96.508
68.6%
dies 8.11%
▾
252+ SpA Heatran Magma Storm vs. 252 HP / 252+ SpD Celesteela: 254-302 (63.8 - 75.8%) -- guaranteed 2HKO after Leftovers recovery and trapping damage
03
Hawlucha
FightingFlying
OFFENSIVE CHECK
33.294
67.5%
dies 8.12%
▾
252+ Atk Hawlucha High Jump Kick vs. 252 HP / 0 Def Celesteela: 180-213 (45.2 - 53.5%) -- 1.2% chance to 2HKO after Leftovers recovery
04
Medicham-Mega
FightingPsychic
OFFENSIVE CHECK
22.593
66.0%
dies 9.96%
▾
252+ Atk Pure Power Medicham-Mega High Jump Kick vs. 252 HP / 0 Def Celesteela: 379-447 (95.2 - 112.3%) -- 68.8% chance to OHKO
05
Tapu Koko
ElectricFairy
SOFT CHECK
58.695
49.5%
dies 9.14%
▾
252+ SpA Life Orb Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Celesteela in Electric Terrain: 361-429 (90.7 - 107.7%) -- 50% chance to OHKO
06
Toxapex
PoisonWater
SOFT CHECK
286.395
48.8%
dies 5.07%
▾
252+ SpA Toxapex Scald vs. 252 HP / 252+ SpD Celesteela: 58-70 (14.5 - 17.5%) -- possible 9HKO
07
Swampert-Mega
WaterGround
SOFT CHECK
21.366
45.6%
dies 10.77%
▾
252+ Atk Swampert-Mega Waterfall vs. 252 HP / 0 Def Celesteela: 156-184 (39.1 - 46.2%) -- guaranteed 3HKO after Leftovers recovery
08
Zapdos
ElectricFlying
SOFT CHECK
86.469
43.0%
dies 8.95%
▾
252+ SpA Zapdos Thunderbolt vs. 252 HP / 252+ SpD Celesteela: 224-266 (56.2 - 66.8%) -- guaranteed 2HKO after Leftovers recovery
09
Greninja
WaterDark
SOFT CHECK
130.52
42.7%
dies 7.40%
▾
252+ SpA Choice Specs Greninja Hydro Pump vs. 252 HP / 252+ SpD Celesteela: 180-213 (45.2 - 53.5%) -- 1.2% chance to 2HKO after Leftovers recovery
10
Garchomp
DragonGround
SOFT CHECK
22.899
41.0%
dies 10.28%
▾
252+ Atk Garchomp Fire Fang vs. 252 HP / 0 Def Celesteela: 152-180 (38.1 - 45.2%) -- guaranteed 3HKO after Leftovers recovery
11
Celesteela
SteelFlying
SOFT CHECK
27.571
38.9%
dies 9.28%
▾
0- SpA Celesteela Flamethrower vs. 252 HP / 252+ SpD Celesteela: 90-106 (22.6 - 26.6%) -- possible 5HKO
12
Magearna
SteelFairy
SOFT CHECK
152.783
35.8%
dies 6.69%
▾
252+ SpA Magearna Thunderbolt vs. 252 HP / 252+ SpD Celesteela: 154-182 (38.6 - 45.7%) -- guaranteed 3HKO after Leftovers recovery
13
Chansey
Normal
SOFT CHECK
64.518
34.2%
dies 8.21%
▾
Chansey Seismic Toss vs. 252 HP Celesteela: 100-100 (25.1 - 25.1%) -- guaranteed 5HKO after Leftovers recovery
14
Rotom-Wash
ElectricWater
SOFT CHECK
23.518
33.8%
dies 9.75%
▾
252+ SpA Rotom-Wash Thunder vs. 252 HP / 252+ SpD Celesteela: 242-288 (60.8 - 72.3%) -- guaranteed 2HKO after Leftovers recovery
15
Serperior
Grass
SOFT CHECK
46.904
33.7%
dies 9.52%
▾
252+ SpA Serperior Hidden Power Fire vs. 252 HP / 252+ SpD Celesteela: 72-86 (18 - 21.6%) -- possible 7HKO
16
Latias-Mega
DragonPsychic
SOFT CHECK
53.204
31.7%
dies 8.76%
▾
252+ SpA Latias-Mega Thunder vs. 252 HP / 252+ SpD Celesteela: 200-236 (50.2 - 59.2%) -- 79.3% chance to 2HKO after Leftovers recovery
17
Gliscor
GroundFlying
SOFT CHECK
140.521
29.9%
dies 6.48%
▾
252+ Atk Gliscor Knock Off (97.5 BP) vs. 252 HP / 0 Def Celesteela: 91-108 (22.8 - 27.1%) -- 50.2% chance to 4HKO
18
Landorus-Therian
GroundFlying
SOFT CHECK
185.041
26.9%
dies 5.61%
▾
252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Celesteela: 158-186 (39.6 - 46.7%) -- guaranteed 3HKO after Leftovers recovery
19
Tapu Fini
WaterFairy
SOFT CHECK
52.036
26.5%
dies 8.09%
▾
Tapu Fini Nature's Madness vs. 252 HP Celesteela: 199-199 (50 - 50%) -- guaranteed 3HKO after Leftovers recovery
20
Kartana
GrassSteel
SOFT CHECK
115.293
25.5%
dies 6.95%
▾
252+ Atk Kartana Knock Off (97.5 BP) vs. 252 HP / 0 Def Celesteela: 146-172 (36.6 - 43.2%) -- guaranteed 3HKO
21
Tornadus-Therian
Flying
SOFT CHECK
87.279
20.8%
dies 7.49%
▾
252+ SpA Tornadus-Therian Heat Wave vs. 252 HP / 252+ SpD Celesteela: 146-172 (36.6 - 43.2%) -- 98.5% chance to 3HKO after Leftovers recovery
22
Clefable
Fairy
SOFT CHECK
64.851
19.5%
dies 6.91%
▾
252+ SpA Clefable Flamethrower vs. 252 HP / 252+ SpD Celesteela: 124-148 (31.1 - 37.1%) -- guaranteed 4HKO after Leftovers recovery
23
Alakazam-Mega
Psychic
SOFT CHECK
22.468
18.7%
dies 8.23%
▾
252+ SpA Alakazam-Mega Focus Blast vs. 252 HP / 252+ SpD Celesteela: 129-152 (32.4 - 38.1%) -- 1.7% chance to 3HKO after Leftovers recovery
24
Ferrothorn
GrassSteel
SOFT CHECK
109
17.8%
dies 6.29%
▾
252+ Atk Ferrothorn Knock Off (97.5 BP) vs. 252 HP / 0 Def Celesteela: 91-108 (22.8 - 27.1%) -- 50.2% chance to 4HKO
25
Tapu Lele
PsychicFairy
SOFT CHECK
63.349
17.7%
dies 6.77%
▾
252+ SpA Choice Specs Tapu Lele Thunder vs. 252 HP / 252+ SpD Celesteela: 282-332 (70.8 - 83.4%) -- guaranteed 2HKO after Leftovers recovery
26
Tapu Bulu
GrassFairy
SOFT CHECK
22.302
13.4%
dies 7.22%
▾
252+ Atk Tapu Bulu Superpower vs. 252 HP / 0 Def Celesteela: 141-166 (35.4 - 41.7%) -- 84.5% chance to 3HKO after Leftovers recovery
27
Excadrill
GroundSteel
SOFT CHECK
85.454
9.4%
dies 5.27%
▾
252+ Atk Excadrill Rock Slide vs. 252 HP / 0 Def Celesteela: 90-107 (22.6 - 26.8%) -- possible 5HKO
28
Skarmory
SteelFlying
SOFT CHECK
62.598
5.0%
dies 3.81%
▾
252+ Atk Skarmory Brave Bird vs. 252 HP / 0 Def Celesteela: 76-90 (19 - 22.6%) -- possible 6HKO
29
Cresselia
Psychic
SOFT CHECK
26.239
4.9%
dies 4.21%
▾
252+ SpA Cresselia Ice Beam vs. 252 HP / 252+ SpD Celesteela: 54-64 (13.5 - 16%)
Ranked #19 with 8.36% usage. Sorted by reliability score.