Charizard-Mega-Y @ Charizardite Y
Ability: Drought
EVs: 152 Atk / 104 SpA / 252 Spe or 32 Atk / 224 SpA / 252 Spe or 4 Def / 252 SpA / 252 Spe
Hasty Nature (first spread) or Timid Nature (others spreads)
- Flare Blitz
- Flamethrower
- Solar Beam
- Roost
The first spread ensures the KO after both moves, while the second ensures it after SR and the third is the suggested as its chances to KO with rocks up are still pretty good.
First Spread Calcs (Slowking has 394 HP)
104 SpA Charizard-Mega-Y Flamethrower vs. 252 HP / 176+ SpD Assault Vest Slowking-Galar in Sun: 114-135 (28.9 - 34.2%) -- 99.8% chance to 3HKO Possible damage amounts: (114, 115, 117, 118, 120, 121, 121, 123, 124, 126, 127, 129, 130, 132, 133, 135)
152 Atk Charizard-Mega-Y Flare Blitz vs. 252 HP / 0 Def Slowking-Galar in Sun: 280-330 (71 - 83.7%) -- guaranteed 2HKO
Possible damage amounts: (280, 283, 286, 289, 292, 297, 300, 303, 306, 309, 313, 316, 319, 322, 325, 330)
Second Spread Calcs (Slowking will have 345 HP, -1/8 rounded down after Rocks)
224 SpA Charizard-Mega-Y Flamethrower vs. 252 HP / 176+ SpD Assault Vest Slowking-Galar in Sun: 121-144 (30.7 - 36.5%) -- guaranteed 3HKO
Possible damage amounts: (121, 123, 124, 126, 127, 129, 130, 132, 133, 135, 136, 138, 139, 141, 142, 144)
32- Atk Charizard-Mega-Y Flare Blitz vs. 252 HP / 0 Def Slowking-Galar in Sun: 225-265 (57.1 - 67.2%) -- guaranteed 2HKO
Possible damage amounts: (225, 228, 229, 232, 235, 238, 241, 243, 246, 249, 252, 253, 256, 259, 262, 265)
Third Spread Calcs (Same as second, 345 after Rocks)
252 SpA Charizard-Mega-Y Flamethrower vs. 252 HP / 176+ SpD Assault Vest Slowking-Galar in Sun: 123-145 (31.2 - 36.8%) -- guaranteed 3HKO
Possible damage amounts: (123, 124, 126, 127, 129, 130, 132, 133, 135, 136, 138, 139, 141, 142, 144, 145)
0- Atk Charizard-Mega-Y Flare Blitz vs. 252 HP / 0 Def Slowking-Galar in Sun: 217-256 (55 - 64.9%) -- guaranteed 2HKO
Possible damage amounts: (217, 220, 222, 225, 228, 229, 232, 235, 238, 240, 243, 246, 247, 250, 253, 256)
Rolls that don't kill: 123+217, 124+217, 126+217, 127+217, 123+220 and 124+220, which are 6 out of 64, 9.375% of not getting the KO after rocks