Coil (Dudunsparce-Three-Segment) @ Leftovers  
Ability: Serene Grace  
Tera Type: Poison  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Body Slam  
- Coil  
- Dragon Tail  
- Roost  

Calm Mind (Dudunsparce-Three-Segment) @ Heavy-Duty Boots  
Ability: Rattled  
Tera Type: Ghost  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Boomburst  
- Shadow Ball / Ice Beam / Flamethrower / Earth Power  
- Calm Mind  
- Roost  

Utility (Dudunsparce-Three-Segment) @ Heavy-Duty Boots  
Ability: Serene Grace  
Tera Type: Dragon  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Body Slam / Toxic  
- Stealth Rock / Toxic  
- Dragon Tail  
- Roost  

Choice Specs (Dudunsparce-Three-Segment) @ Choice Specs  
Ability: Rattled  
Tera Type: Normal  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Boomburst  
- Shadow Ball  
- Ice Beam  
- Earth Power / Flamethrower