Camerupt @ Choice Specs  
Ability: Solid Rock  
EVs: 252 SpA / 4 SpD / 252 Spe 
Modest Nature   
- Eruption  
- Fire Blast  
- Earth Power  
- Hidden Power [Ice]

Camerupt @ Leftovers
Ability: Solid Rock
EVs: 248 HP / 4 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Stealth Rock
- Lava Plume
- Toxic
- Earth Power / Protect
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Optional Move(s): 
- Hidden Power [Electric]
- Earthquake
- Yawn
Optional Item(s): 
- Life Orb
Optional Ability:  
- N/A
Optional EV/IV(s): 
- 29 HP
- 248 HP / 252 Def / 4 SpA (Bold)
- 248 HP / 252 SpA / 4 SpD (Quiet) 0 Spe IVs
- 248 HP / 220 Def / 40 SpA (Relaxed)