Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Poison  
EVs: 248 HP / 208 SpA / 52 SpD  
Modest Nature  
- Draco Meteor  
- Hex  
- Defog  
- Thunder Wave  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
- Foul Play  
- Toxic  
- Taunt  
- Recover  

Groudon @ Red Orb  
Ability: Drought  
Tera Type: Flying  
EVs: 248 HP / 56 Def / 204 SpD  
Relaxed Nature  
- Spikes  
- Earthquake  
- Stone Edge  
- Toxic  

Eternatus @ Leftovers  
Ability: Pressure  
Tera Type: Fairy  
EVs: 248 HP / 164 SpD / 96 Spe  
Timid Nature  
- Sludge Bomb  
- Flamethrower  
- Toxic Spikes  
- Recover  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Rock  
EVs: 252 HP / 4 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Grass Knot  
- Hidden Power [Rock]  

Mewtwo @ Mewtwonite Y  
Ability: Pressure  
Tera Type: Psychic  
EVs: 88 Def / 204 SpA / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Psystrike  
- Ice Beam  
- Earth Power