Eternatus @ Rocky Helmet  
Ability: Pressure  
Tera Type: Poison  
EVs: 248 HP / 188 Def / 72 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Recover  
- Sludge Bomb  
- Flamethrower  

Great Tusk @ Hearthflame Mask  
Ability: Protosynthesis  
Tera Type: Ground  
EVs: 156 HP / 120 Atk / 232 Spe  
Jolly Nature  
- Rapid Spin  
- Headlong Rush  
- Stealth Rock  
- Ice Spinner  

Regieleki @ Altarianite  
Ability: Transistor  
Tera Type: Electric  
EVs: 252 Atk / 4 Def / 252 Spe  
Naughty Nature  
- Extreme Speed  
- Volt Switch  
- Rapid Spin  
- Explosion  

Zamazenta @ Aerodactylite  
Ability: Dauntless Shield  
Tera Type: Fighting  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Howl  
- Close Combat  
- Crunch  
- Psychic Fangs  

Hydreigon @ Diancite  
Ability: Levitate  
Tera Type: Dark  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Draco Meteor  
- Dark Pulse  
- Nasty Plot  

Magearna @ Latiasite  
Ability: Soul-Heart  
Tera Type: Steel  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Encore  
- Volt Switch  
- Ice Beam  
- Pain Split