Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 4 SpA / 252 SpD / 4 Spe  
Calm Nature  
IVs: 0 Atk  
- Judgment  
- Whirlpool  
- Recover  
- Perish Song  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
Shiny: Yes  
Tera Type: Water  
EVs: 248 HP / 4 SpA / 252 SpD / 4 Spe  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Calm Mind  
- Rest  
- Block  

Zygarde @ Leftovers  
Ability: Power Construct  
Shiny: Yes  
Tera Type: Water  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Thousand Waves  
- Coil  
- Rest  
- Scale Shot  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 252 HP / 236 Def / 4 SpA / 16 SpD  
Bold Nature  
IVs: 0 Atk  
- Fire Spin  
- Defog  
- Toxic  
- Whirlwind  

Necrozma-Dusk-Mane @ Quick Claw  
Ability: Prism Armor  
Tera Type: Dragon  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Sunsteel Strike  
- Morning Sun  
- Toxic  
- Stealth Rock  

Eternatus @ Leftovers  
Ability: Pressure  
Tera Type: Water  
EVs: 120 HP / 16 SpA / 248 SpD / 124 Spe  
Calm Nature  
- Dynamax Cannon  
- Recover  
- Toxic Spikes  
- Dragon Tail