Aerodactyl-Mega @ Aerodactylite  
Ability: Unnerve  
Tera Type: Rock  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Sky Drop  
- Rock Slide  
- Tailwind  
- Protect  

Nihilego @ Power Herb  
Ability: Beast Boost  
Tera Type: Rock  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Sludge Bomb  
- Dazzling Gleam  
- Protect  

Arcanine-Hisui @ Choice Band  
Ability: Intimidate  
Tera Type: Fire  
EVs: 128 HP / 252 Atk / 128 Spe  
Adamant Nature  
- Flare Blitz  
- Rock Slide  
- Wild Charge  
- Extreme Speed  

Diancie @ Weakness Policy  
Ability: Clear Body  
Tera Type: Rock  
EVs: 204 HP / 144 Atk / 160 Spe  
Adamant Nature  
- Diamond Storm  
- Body Press  
- Trick Room  
- Protect  

Ogerpon-Cornerstone (F) @ Cornerstone Mask  
Ability: Sturdy  
Tera Type: Rock  
EVs: 72 HP / 252 Atk / 184 Spe  
Jolly Nature  
- Ivy Cudgel  
- Wood Hammer  
- Follow Me  
- Spiky Shield  

Iron Boulder @ Choice Band  
Ability: Quark Drive  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Mighty Cleave  
- Wild Charge  
- Zen Headbutt