Big Boom (Volcarona) @ Firium Z  
Ability: Flame Body  
Tera Type: Bug  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Fire Blast  
- Bug Buzz  
- Hidden Power [Ground]  

Anti meta (Terapagos-Terastal) @ Heavy-Duty Boots  
Ability: Tera Shell  
Tera Type: Stellar  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Rapid Spin  
- Tera Starstorm  
- Flamethrower  
- Ice Beam  

Chip dmg only (Garchomp) @ Rocky Helmet  
Ability: Rough Skin  
Tera Type: Dragon  
EVs: 252 HP / 208 Def / 48 SpD  
Impish Nature  
- Earthquake  
- Dragon Tail  
- Toxic  
- Stealth Rock  

Cleanup (Iron Valiant) @ Booster Energy  
Ability: Quark Drive  
Tera Type: Fairy  
EVs: 96 Atk / 160 SpA / 252 Spe  
Naive Nature  
- Close Combat  
- Moonblast  
- Destiny Bond  
- Taunt  

Final bosswoman (Ogerpon-Wellspring) (F) @ Wellspring Mask  
Ability: Water Absorb  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Ivy Cudgel  
- Trailblaze  
- Play Rough  

Cancer (Gholdengo) @ Air Balloon  
Ability: Good as Gold  
Tera Type: Steel  
EVs: 252 HP / 80 Def / 164 SpD / 12 Spe  
Calm Nature  
IVs: 0 Atk  
- Make It Rain  
- Hex  
- Thunder Wave  
- Recover