Groudon @ Red Orb  
Ability: Drought  
Tera Type: Flying  
EVs: 252 HP / 4 Atk / 252 SpA  
Quiet Nature  
- Spikes  
- Precipice Blades  
- Overheat  
- Roar  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
Tera Type: Water  
EVs: 248 HP / 76 Def / 184 Spe  
Jolly Nature  
- Foul Play  
- U-turn  
- Sucker Punch  
- Roost  

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

Gothitelle @ Leftovers  
Ability: Shadow Tag  
Tera Type: Ghost  
EVs: 252 HP / 252 Def / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Charm  
- Rest  
- Taunt  
- Cosmic Power  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Shiny: Yes  
Tera Type: Grass  
EVs: 248 HP / 208 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
Tera Type: Ground  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Calm Mind  
- Recover