Qwilfish @ Focus Sash  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Liquidation  
- Explosion  
- Spikes  
- Toxic Spikes  

Qwilfish @ Choice Band  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Liquidation  
- Poison Jab  
- Aqua Jet  
- Spikes  

Qwilfish @ Black Sludge  
Ability: Intimidate  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Spikes  
- Pain Split