calcs

attacking

+2 252+ Atk Empoleon Liquidation vs. 252 HP / 156+ Def Eviolite Gligar: 234-276 (70 - 82.6%) -- guaranteed 2HKO

+2 252+ Atk Empoleon Liquidation vs. 252 HP / 80+ Def Hippowdon: 338-402 (80.4 - 95.7%) -- guaranteed 2HKO after Leftovers recovery

+2 252+ Atk Empoleon Power Trip (140 BP) vs. 252 HP / 252+ Def Blissey: 459-541 (64.2 - 75.7%) -- guaranteed 2HKO after Leftovers recovery
+2 252+ Atk Empoleon Power Trip (140 BP) vs. 0 HP / 0 Def Celebi: 506-596 (148.3 - 174.7%) -- guaranteed OHKO
+4 252+ Atk Empoleon Power Trip (180 BP) vs. 252 HP / 176+ Def Amoonguss: 476-560 (110.1 - 129.6%) -- guaranteed OHKO
defensive

0 Atk Gligar Earthquake vs. 0 HP / 0 Def Empoleon through Reflect: 94-112 (30.4 - 36.2%) -- 54.7% chance to 3HKO

0 Atk Hippowdon Earthquake vs. 0 HP / 0 Def Empoleon through Reflect: 133-157 (43 - 50.8%) -- 2% chance to 2HKO
252 SpA Celebi Tectonic Rage (175 BP) vs. 0 HP / 0 SpD Empoleon through Light Screen: 158-186 (51.1 - 60.1%) -- guaranteed 2HKO
252 SpA Celebi Earth Power vs. 0 HP / 0 SpD Empoleon through Light Screen: 81-96 (26.2 - 31%) -- guaranteed 4HKO
0 SpA Amoonguss Giga Drain vs. 0 HP / 0 SpD Empoleon through Light Screen: 35-42 (11.3 - 13.5%) -- possible 8HKO