Ferrothorn (M) @ Leftovers  
Ability: Iron Barbs  
Tera Type: Water  
EVs: 252 HP / 28 Def / 228 SpD  
Sassy Nature  
- Body Press  
- Iron Defense  
- Protect  
- Leech Seed  

Diancie @ Weakness Policy  
Ability: Clear Body  
Tera Type: Grass  
EVs: 252 HP / 84 Atk / 4 Def / 64 SpA / 104 SpD  
Brave Nature  
IVs: 0 Spe  
- Moonblast  
- Diamond Storm  
- Protect  
- Trick Room  

Salamence-Mega (M) @ Salamencite  
Ability: Intimidate  
Tera Type: Dragon  
EVs: 180 Atk / 76 SpA / 252 Spe  
Hasty Nature  
- Double-Edge  
- Hyper Voice  
- Tailwind  
- Protect  

Volcanion @ Shuca Berry  
Ability: Water Absorb  
Tera Type: Grass  
EVs: 240 HP / 136 SpA / 132 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Heat Wave  
- Protect  
- Will-O-Wisp  

Gothitelle (F) @ Sitrus Berry  
Ability: Shadow Tag  
Tera Type: Fairy  
EVs: 248 HP / 168 Def / 92 SpD  
Calm Nature  
- Fake Out  
- Trick Room  
- Psychic  
- Heal Pulse  

Marshadow @ Life Orb  
Ability: Technician  
Tera Type: Poison  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Shadow Sneak  
- Close Combat  
- Protect