Sophia's Gyarados the Battle Champion (Gyarados) @ Aguav Berry  
Ability: Intimidate  
Level: 50  
Tera Type: Steel  
EVs: 252 HP / 20 Atk / 30 Def / 156 SpD / 52 Spe  
Careful Nature  
- Waterfall  
- Thunder Wave  
- Taunt  
- Protect