Slowking @ Leftovers
Ability: Regenerator
EVs: 248 HP / 144 Def / 116 SpD
Calm Nature
- Scald
- Slack Off
- Psyshock
- Thunder Wave

Slowking @ Choice Specs
Ability: Regenerator
EVs: 212 HP / 252 SpA / 44 Spe
Modest Nature
- Surf
- Psyshock
- Fire Blast
- Trick

Slowking @ Leftovers
Ability: Regenerator
EVs: 248 HP / 216 Def / 44 Spe
Bold Nature
- Calm Mind
- Scald
- Fire Blast
- Slack Off

Slowking @ Assault Vest  
Ability: Regenerator  
EVs: 248 HP / 156 SpA / 104 SpD  
Calm Nature  
- Scald  
- Dragon Tail  
- Fire Blast  
- Future Sight