Dragonite @ Choice Scarf  
Ability: Multiscale  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Outrage  
- Fire Punch  
- Earthquake  
- Superpower  

Slowbro @ Chesto Berry  
Ability: Oblivious  
EVs: 252 HP / 112 Def / 144 SpD  
Bold Nature  
IVs: 0 Atk  
- Counter  
- Rest  
- Scald  
- Amnesia  

Volcarona @ Fire Gem  
Ability: Flame Body  
EVs: 76 HP / 248 SpA / 184 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Overheat  
- Bug Buzz  
- Substitute