Koraidon @ Choice Scarf  
Ability: Orichalcum Pulse  
Tera Type: Fire  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Low Kick  
- Outrage  
- U-turn  
- Flare Blitz  

Kyogre @ Choice Specs  
Ability: Drizzle  
Tera Type: Water  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Ice Beam  
- Thunder  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Water  
EVs: 240 HP / 252 Def / 16 Spe  
Bold Nature  
- Judgment  
- Thunder Wave  
- Stealth Rock  
- Recover  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 112 Def / 104 SpA / 8 Spe  
Modest Nature  
- Hex  
- Dragon Tail  
- Thunder Wave  
- Defog  

Eternatus @ Life Orb  
Ability: Pressure  
Tera Type: Dragon  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Dynamax Cannon  
- Fire Blast  
- Recover  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Fairy  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Sacred Fire  
- Brave Bird  
- Whirlwind  
- Recover