Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Waterfall  
- Crunch  
- Earthquake  

Hatterene (F) @ Leftovers  
Ability: Magic Bounce  
Tera Type: Psychic  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Psychic Noise  
- Draining Kiss  
- Mystical Fire  

Garchomp @ Dragonium Z  
Ability: Rough Skin  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Swords Dance  
- Stealth Rock  
- Outrage  

Victini @ Choice Scarf  
Ability: Victory Star  
Tera Type: Psychic  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- V-create  
- U-turn  
- Bolt Strike  
- Energy Ball  

Ferrothorn @ Rocky Helmet  
Ability: Iron Barbs  
Tera Type: Grass  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Gyro Ball  
- Power Whip  
- Leech Seed  
- Stealth Rock  

Gengar @ Assault Vest  
Ability: Cursed Body  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Sludge Bomb  
- Focus Blast  
- Dazzling Gleam