Defensive (Trevenant) @ Heavy-Duty Boots  
Ability: Natural Cure  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 4 SpD 
Impish Nature  
- Horn Leech 
- Poltergeist  
- Will-O-Wisp  
- Rest  

Offensive (Trevenant) @ Life Orb  
Ability: Natural Cure  
Tera Type: Dark  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Poltergeist  
- Wood Hammer  
- Sucker Punch  
- Rest  

Choice Band (Trevenant) @ Choice Band  
Ability: Natural Cure  
Tera Type: Dark  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Poltergeist  
- Wood Hammer  
- Sucker Punch  
- Trick