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

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
Tera Type: Water  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Leech Seed  
- Spikes  
- Power Whip  
- Knock Off

Eternatus @ Dragon Fang  
Ability: Pressure  
Tera Type: Dragon  
EVs: 80 HP / 252 SpA / 176 Spe  
Modest Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Dynamax Cannon  
- Sludge Bomb  
- Fire Spin  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: EVs: 248 HP / 208 SpA / 4 SpD / 48 Spe   
Modest Nature  
IVs: 0 Atk  
- Dragon Tail  
- Hex 
- Pain Split
- Thunder Wave

Ditto @ Choice Scarf  
Ability: Imposter  
Happiness: 1  
Tera Type: Normal  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Transform