Groudon @ Choice Specs  
Ability: Drought  
Tera Type: Fire  
EVs: 104 HP / 252 SpA / 152 Spe  
Modest Nature  
IVs: 0 Atk  
- Eruption  
- Fire Blast  
- Earth Power  
- Thunder  

Hatterene @ Rocky Helmet  
Ability: Magic Bounce  
Tera Type: Water  
EVs: 252 HP / 204 Def / 52 SpD  
Bold Nature  
- Healing Wish  
- Draining Kiss  
- Nuzzle  
- Trick Room  

Koraidon @ Choice Scarf  
Ability: Orichalcum Pulse  
Tera Type: Fire  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Dragon Claw  
- Flare Blitz  
- Low Kick  
- U-turn  

Kyogre @ Air Balloon  
Ability: Drizzle  
Tera Type: Ghost  
EVs: 252 HP / 48 Def / 120 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Ice Beam  
- Thunder  
- Calm Mind  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
Tera Type: Flying  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Behemoth Blade  
- Wild Charge  
- Close Combat  
- Swords Dance  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
Tera Type: Fairy  
EVs: 252 HP / 80 Def / 176 Spe  
Bold Nature  
- Judgment  
- Ice Beam  
- Stone Edge  
- Stealth Rock