Slither Wing @ Choice Band  
Ability: Protosynthesis  
Tera Type: Bug  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- First Impression  
- U-turn  
- Close Combat  
- Wild Charge  

Steelix-Mega @ Steelixite  
Ability: Sturdy  
Tera Type: Steel  
EVs: 252 HP / 200 Atk / 8 Def / 48 SpD  
Brave Nature  
IVs: 0 Spe  
- Stealth Rock  
- Gyro Ball  
- Earthquake  
- Curse  

Volcanion @ Heavy-Duty Boots  
Ability: Water Absorb  
Tera Type: Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Steam Eruption  
- Flamethrower  
- Earth Power  
- Toxic  

Thundurus @ Fightinium Z  
Ability: Prankster  
Tera Type: Electric  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Nasty Plot  
- Thunderbolt  
- Focus Blast  
- Sludge Bomb  

Sinistcha @ Leftovers  
Ability: Heatproof  
Tera Type: Grass  
EVs: 248 HP / 164 Def / 96 Spe  
Bold Nature  
- Calm Mind  
- Matcha Gotcha  
- Strength Sap  
- Shadow Ball  

Crobat @ Heavy-Duty Boots  
Ability: Inner Focus  
Tera Type: Poison  
EVs: 252 HP / 40 Def / 216 Spe  
Jolly Nature  
- Brave Bird  
- Roost  
- U-turn  
- Defog