Lucario-Mega-Z @ Choice Specs  
Ability: Beads of Ruin  
Tera Type: Fighting  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Aura Sphere  
- Tachyon Cutter  
- Paleo Wave  
- Earth Power  

Arceus-Ground @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Careful Nature  
- Thousand Waves  
- Mortal Spin  
- Spectral Thief  
- Heal Order  

Gengar-Mega @ Choice Specs  
Ability: Beads of Ruin  
Tera Type: Ghost  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moongeist Beam  
- Malignant Chain  
- Volt Switch  
- Trick  

Xerneas @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Fairy  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Magical Torque  
- Sizzly Slide  
- Stone Axe  
- Victory Dance  

Kyogre-Primal @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Quiet Nature  
IVs: 0 Spe  
- Revelation Dance  
- G-Max Wind Rage  
- Entrainment  
- Heal Order  

Eternatus @ Assault Vest  
Ability: Regenerator  
Tera Type: Poison  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Core Enforcer  
- Spectral Thief  
- Freezy Frost  
- Volt Switch