Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 248 HP / 140 Def / 120 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Dragon Tail  

Yveltal @ Life Orb  
Ability: Dark Aura  
Tera Type: Fire  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Dark Pulse  
- Sucker Punch  
- Heat Wave  
- Oblivion Wing  

Arceus @ Silk Scarf  
Ability: Multitype  
Tera Type: Normal  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Earthquake  

Marshadow @ Choice Band  
Ability: Technician  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Poltergeist  
- Spectral Thief  
- Shadow Sneak  
- Low Kick  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
Tera Type: Water  
EVs: 248 HP / 252 SpA / 8 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunder Wave  
- Origin Pulse  
- Ice Beam  
- Sleep Talk  

Garganacl @ Leftovers  
Ability: Purifying Salt  
Tera Type: Fairy  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Iron Defense  
- Body Press  
- Salt Cure  
- Recover