Regieleki @ Altarianite  
Ability: Transistor  
Tera Type: Electric  
EVs: 252 Atk / 68 Def / 80 SpA / 108 Spe  
Naughty Nature  
- Extreme Speed  
- Volt Switch  
- Rapid Spin  
- Explosion  

Deoxys-Speed @ Cameruptite  
Ability: Pressure  
Tera Type: Psychic  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Shadow Ball  
- Ice Beam  
- Nasty Plot  

Archaludon @ Blue Orb  
Ability: Stamina  
Tera Type: Steel  
EVs: 168 HP / 164 SpA / 176 Spe  
Modest Nature  
- Draco Meteor  
- Electro Shot  
- Earthquake  
- Stealth Rock  

Eternatus @ Rocky Helmet  
Ability: Pressure  
Tera Type: Poison  
EVs: 252 HP / 160 Def / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Flamethrower  
- Toxic  
- Recover  

Arceus-Water @ Splash Plate  
Ability: Multitype  
Tera Type: Water  
EVs: 252 HP / 152 Def / 104 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Earth Power  
- Will-O-Wisp  
- Recover  

Slowking-Galar @ Latiasite  
Ability: Regenerator  
Tera Type: Poison  
EVs: 252 HP / 96 Def / 160 SpD  
Sassy Nature  
IVs: 0 Atk  
- Future Sight  
- Sludge Bomb  
- Slack Off  
- Chilly Reception