Diancie @ Diancite  
Ability: Clear Body  
Tera Type: Rock  
EVs: 240 HP / 16 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Moonblast  
- Substitute  
- Endeavor  

Arceus-Rock @ Stone Plate  
Ability: Multitype  
Tera Type: Rock  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Calm Mind  
- Recover  
- Grass Knot  

Nihilego @ Power Herb  
Ability: Beast Boost  
Tera Type: Rock  
EVs: 80 HP / 176 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Sludge Wave  
- Thunderbolt  
- Grass Knot  

Tyranitar @ Leftovers  
Ability: Sand Stream  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Ice Punch  
- Stone Edge  
- Knock Off  
- Dragon Dance  

Ogerpon-Cornerstone (F) @ Cornerstone Mask  
Ability: Sturdy  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Horn Leech  
- Knock Off  
- Ivy Cudgel  
- Swords Dance  

Iron Boulder @ Booster Energy  
Ability: Quark Drive  
Tera Type: Rock  
EVs: 192 HP / 252 Atk / 64 Spe  
Jolly Nature  
- Swords Dance  
- Mighty Cleave  
- Substitute  
- Close Combat