Heatran @ Choice Specs
Ability: Flash Fire
EVs: 56 HP / 252 SpA / 200 Spe
Modest Nature
IVs: 0 Atk
- Eruption
- Flamethrower
- Earth Power
- Flash Cannon / Dragon Pulse
No explanation, just calc
252+ SpA Choice Specs Heatran Eruption (150 BP) vs. 252 HP / 252+ SpD Landorus-Therian: 336-396 (87.9 - 103.6%) -- guaranteed OHKO after Stealth Rock
252+ SpA Choice Specs Heatran Eruption (150 BP) vs. 0 HP / 4 SpD Urshifu-Rapid-Strike: 303-357 (88.8 - 104.6%) -- 31.3% chance to OHKO
252+ SpA Choice Specs Heatran Eruption (150 BP) vs. 252 HP / 248+ SpD Hippowdon: 357-421 (85 - 100.2%) -- 6.3% chance to OHKO
252+ SpA Choice Specs Heatran Eruption (150 BP) vs. 252 HP / 4 SpD Toxapex: 148-174 (48.6 - 57.2%) -- 94.1% chance to 2HKO
252+ SpA Choice Specs Heatran Eruption (150 BP) vs. 248 HP / 8 SpD Slowbro: 240-283 (61 - 72%) -- guaranteed 2HKO
Step 1: Click Eruption vs Ground Type
Step 2: Go to Electric Type
Step 3: Profit