Offensive (Thundurus-Therian) (M) @ Leftovers  
Ability: Volt Absorb  
EVs: 24 HP / 204 SpA / 104 SpD / 176 Spe  
Timid Nature  
IVs: 2 Atk / 30 Def  
- Thunder / thunderbolt
- Focus Blast  
- Hidden Power [Ice]
- Nasty Plot 
The hp and spdef evs optimise leftovers recovery from chip damage and allow thundurus to avoid a 2hko from tomohawks hurricane after 
stealth rocks 

SubsThundy (Thundurus-Therian) (M) @ Leftovers  
Ability: Volt Absorb  
EVs: 176 HP / 104 Def / 20 SpA / 208 Spe  
Modest Nature  
IVs: 2 Atk / 30 Def  
- Substitute  
- Thunder  
- Hidden Power [Ice]  
- Focus Blast
The defensive investments reaches the same special benchmarks as the above set while also ensuring jirachis body slam and ferrothorns 
power whip do not break sub

AgilThundy (Thundurus-Therian) @ Leftovers
Ability: Volt Absorb
EVs: 24 HP / 228 SpA / 104 SpD / 152 Spe
Modest Nature
- Agility
- Thunder
- Hidden Power Ice
- Focus Blast