Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 192 SpD  
Relaxed Nature  
- Rock Tomb  
- Toxic  
- Precipice Blades  
- Overheat  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Ground  
EVs: 248 HP / 192 Atk / 56 SpD / 12 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Earthquake  
- Defog  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Dark  
EVs: 248 HP / 68 Def / 4 SpA / 88 SpD / 100 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Stealth Rock  
- Recover  
- Judgment  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
Tera Type: Water  
EVs: 80 HP / 252 SpD / 176 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Toxic Spikes  
- Toxic  
- Dynamax Cannon  

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

Garganacl @ Leftovers  
Ability: Purifying Salt  
Tera Type: Water  
EVs: 248 HP / 12 Def / 248 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Salt Cure  
- Recover  
- Iron Defense  
- Body Press