Chi-Yu @ Choice Specs  
Ability: Beads of Ruin  
Tera Type: Dark  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Fire Blast  
- Dark Pulse  
- Flamethrower  
- Overheat  

Fezandipiti @ Utility Umbrella  
Ability: Toxic Chain  
Tera Type: Grass  
EVs: 248 HP / 44 Def / 216 SpD  
Calm Nature  
IVs: 23 Spe  
- U-turn  
- Roost  
- Icy Wind  
- Acid Spray  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 176 Atk / 20 Def / 56 SpD / 8 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Defog  
- Thunder Wave  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 24 HP / 32 Atk / 220 SpA / 16 SpD / 216 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Substitute  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 192 SpD  
Relaxed Nature  
- Precipice Blades  
- Stealth Rock  
- Thunder Wave  
- Overheat  

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Coil  
- Glare  
- Thousand Arrows  
- Rest