Blissey (F) @ Heavy-Duty Boots / Leftovers  
Ability: Unaware / Magic Guard / Vessel of Ruin / Regenerator  
Tera Type: Normal  
EVs: 248 HP / 252 Def / 8 SpD  
Calm Nature  
IVs: 0 Atk  
- Soft-Boiled  
- Teleport  
- Seismic Toss / Shadow Ball  
- Toxic / Thunder Wave / Stealth Rock / Heal Bell