Nasty Plot (Houndoom) @ Heavy-Duty Boots  
Ability: Flash Fire  
Tera Type: Poison / Dark / Ghost / Grass
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid / Naive Nature  
- Nasty Plot  
- Dark Pulse  
- Fire Blast / Flamethrower
- Sludge Bomb / Sucker Punch / Flame Charge / Trailblaze / Tera Blast / Taunt

Choice Scarf (Houndoom) @ Choice Scarf  
Ability: Flash Fire  
Tera Type: Dark / Grass / Poison
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Fire Blast  
- Overheat  
- Destiny Bond / Tera Blast / Sludge Bomb