Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type:  Poison / Steel
EVs: 248 HP / 152 Def / 8 SpA / 100 SpD  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Hex  
- Defog  
- Will-O-Wisp / Toxic / Thunder Wave

Giratina-Origin @ Griseous Core
Ability: Levitate
248 HP / 56 Atk / 192 Def / 12 Spe
Tera Type: Poison / Steel / Rock
Adamant / Impish Nature
IVs: 0 Atk  
- Poltergeist
- Dragon Tail
- Defog 
- Shadow Sneak / Stone Edge / Toxic