Physically Defensive (Corviknight) @ Rocky Helmet / Leftovers / Heavy-Duty Boots / Shed Shell
Ability: Dauntless Shield / Delta Stream / Flash Fire / Unaware / Thick Fat / Wandering Spirit
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature / Bold Nature
IVs: 0 Spe / 31 Spe
- Brave Bird / Body Press / Anchor Shot
- U-turn / Iron Defense
- Roost  
- Defog
Specially Defensive (Corviknight) @ Leftovers / Heavy-Duty Boots
Ability: Delta Stream / Volt Absorb / Flash Fire / Unaware / Magic Bounce
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature
IVs: 0 Spe
- Brave Bird / Anchor Shot
- U-turn
- Roost  
- Defog