Blissey @ Heavy-Duty Boots  
Ability: Natural Cure  
Tera Type: Dark  
EVs: 16 HP / 252 Def / 240 SpD  
Calm Nature  
IVs: 0 Atk / 5 Spe  
- Seismic Toss  
- Stealth Rock  
- Soft-Boiled  
- Teleport  

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

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Toxic  
- Taunt  
- Recover  

Dondozo @ Leftovers  
Ability: Unaware  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Waterfall  
- Curse  
- Rest  
- Body Press  

Giratina @ Leftovers  
Ability: Pressure  
Tera Type: Fairy  
EVs: 252 HP / 252 SpD  
Careful Nature  
- Dragon Tail  
- Will-O-Wisp  
- Defog  
- Rest  

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