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

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Coil  
- Glare  
- Thousand Arrows  
- Rest  

R8 (Alomomola) @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Dark  
EVs: 4 HP / 252 Def / 252 SpD  
Impish Nature  
- Wish  
- Protect  
- Toxic  
- Flip Turn  

Arceus-Adem (Arceus-Dark) @ Dread Plate  
Ability: Multitype  
Tera Type: Fairy  
EVs: 248 HP / 164 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Calm Mind  
- Refresh  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Poison  
EVs: 248 HP / 180 SpA / 36 SpD / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Defog  
- Draco Meteor  
- Hex  
- Thunder Wave  

Dialga @ Assault Vest  
Ability: Pressure  
Tera Type: Steel  
EVs: 152 HP / 140 Def / 112 SpA / 60 SpD / 44 Spe  
Bold Nature  
- Draco Meteor  
- Flash Cannon  
- Thunder  
- Dragon Tail