Empoleon @ Empoleonite  
Ability: Torrent  
Level: 50  
EVs: 12 HP / 4 Def / 236 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Origin Pulse  
- Protect  
- Flash Cannon  
- Icy Wind

Unown
Move options:
- offensive: Scald, Ice Beam
- supportive: Roost, Substitute, Flip Turn, Yawn

Unown
Offensive calcs:
- 236 SpA Mega Empoleon Origin Pulse vs. 4 HP / 0 SpD Landorus-T: 168-200 (101.8 - 121.2%) -- guaranteed OHKO
Defensive calcs:
- 252+ Atk Rillaboom Wood Hammer vs. 12 HP / 4 Def Mega Empoleon in Grassy Terrain: 138-163 (85.7 - 101.2%) -- 6.3% chance to OHKO
- 252 Atk Tough Claws Metagross Stomping Tantrum vs. 12 HP / 4 Def Mega Empoleon: 118-140 (73.2 - 86.9%) -- guaranteed 2HKO
- 252 SpA Spectrier Never-Ending Nightmare vs. 12 HP / 4 SpD Mega Empoleon: 109-130 (67.7 - 80.7%) -- guaranteed 2HKO

Unown
Useful partners:
- Rain setter: Pelipper, Politoed
- Pokémon with Discharge: Zapdos, Thundurus-T, Thundurus-I

Empoleon @ Empoleonite  
Ability: Torrent  
Level: 50  
EVs: 252 HP / 44 Def / 84 SpA / 4 SpD / 124 Spe  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Protect  
- Flash Cannon  
- Icy Wind

Unown
Move options:
- offensive: Scald, Ice Beam
- supportive: Roost, Substitute, Flip Turn, Yawn

Unown
Offensive calcs:
- 84+ SpA Mega Empoleon Origin Pulse vs. 4 HP / 0 SpD Landorus-T: 168-198 (101.8 - 120%) -- guaranteed OHKO
Defensive calcs:
- 252+ Atk Landorus-T Earthquake vs. 252 HP / 44 Def Mega Empoleon: 140-168 (73.2 - 87.9%) -- guaranteed 2HKO
- +2 252+ Atk Mega Rillaboom Grassy Glide vs. 252 HP / 44 Def Mega Empoleon in Grassy Terrain: 163-193 (85.3 - 101%) -- 6.3% chance to OHKO
- 252 SpA Mega Charizard-Y Heat Wave vs. 252 HP / 4 SpD Mega Empoleon in Sun: 79-94 (41.3 - 49.2%) -- guaranteed 3HKO
- 252+ SpA Mega Charizard-Y Overheat vs. 252 HP / 4 SpD Mega Empoleon in Sun: 157-186 (82.1 - 97.3%) -- guaranteed 2HKO

Unown
Useful partners:
- Rain setter: Pelipper, Politoed
- Pokémon with Discharge: Zapdos, Thundurus-T, Thundurus-I