Groudon @ Assault Vest  
Ability: Drought  
EVs: 252 HP / 156 Atk / 4 Def / 92 SpD / 4 Spe  
Adamant Nature  
- Precipice Blades  
- Fire Punch  
- Stone Edge  
- Shadow Claw  

Charizard-Gmax @ Choice Scarf  
Ability: Solar Power  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Blast Burn  
- Hurricane  
- Heat Wave  
- Tailwind  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 124 HP / 236 Atk / 4 Def / 4 SpD / 140 Spe  
Adamant Nature  
IVs: 30 SpA  
- Iron Head  
- Play Rough  
- Wild Charge  
- Protect  

Grimmsnarl @ Babiri Berry  
Ability: Prankster  
Gigantamax: Yes  
EVs: 244 HP / 116 Def / 96 SpD / 52 Spe  
Impish Nature  
- Fake Out  
- Reflect  
- Sucker Punch  
- Thunder Wave  

Calyrex-Shadow @ Focus Sash  
Ability: As One (Spectrier)  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Trick Room  
- Imprison  
- Protect  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Dynamax Cannon  
- Flamethrower  
- Meteor Beam