Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 176 SpD / 16 Spe  
Impish Nature  
- Toxic  
- Stealth Rock  
- Precipice Blades  
- Dragon Tail  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
Shiny: Yes  
Tera Type: Water  
EVs: 240 HP / 212 Def / 40 SpA / 16 Spe  
Modest Nature  
IVs: 0 Atk  
- Rest  
- Calm Mind  
- Origin Pulse  
- Ice Beam  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Fairy  
EVs: 248 HP / 188 Def / 56 SpD / 16 Spe  
Impish Nature  
- Thunder Wave  
- Brave Bird  
- Defog  
- Whirlwind  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 240 HP / 56 Atk / 196 Def / 16 Spe  
Adamant Nature  
- Stone Edge  
- Poltergeist  
- Dragon Tail  
- Toxic  

Arceus @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 104 SpD / 156 Spe  
Timid Nature  
IVs: 0 Atk  
- Whirlpool  
- Perish Song  
- Foul Play  
- Recover  

Eternatus @ Life Orb  
Ability: Pressure  
Tera Type: Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 29 HP / 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Recover  
- Fire Blast