Specs Eternatus+ditto Gen 9 National Dex Ubers

Groudon @ Red Orb
Ability: Drought
Tera Type: Ground
Relaxed Nature
EVs: 248 HP / 140 Def / 104 SpD / 16 Spe
- Overheat
- Precipice Blades
- Rock Tomb
- Stealth Rock

Arceus-Dark @ Dread Plate
Ability: Multitype
Tera Type: Poison
Timid Nature
EVs: 248 HP / 4 Def / 4 SpA / 104 SpD / 148 Spe
IVs: 0 Atk
- Calm Mind
- Judgment
- Recover
- Taunt

Ditto @ Choice Scarf
Ability: Imposter
Tera Type: Ghost
Relaxed Nature
EVs: 248 HP / 8 Atk / 252 Def
IVs: 0 Spe
- Transform

Eternatus @ Choice Specs
Ability: Pressure
Tera Type: Dragon
Timid Nature
EVs: 252 SpA / 252 Spe
IVs: 0 Atk
- Draco Meteor
- Dynamax Cannon
- Fire Blast
- Sludge Bomb

Ho-Oh @ Heavy-Duty Boots
Ability: Regenerator
Tera Type: Flying
Adamant Nature
EVs: 248 HP / 176 Atk / 16 Def / 56 SpD / 12 Spe
- Brave Bird
- Defog
- Sacred Fire
- Thunder Wave

Zygarde @ Leftovers
Ability: Power Construct
Tera Type: Fairy
Impish Nature
EVs: 252 HP / 248 Def / 8 Spe
- Coil
- Rest
- Thousand Arrows
- Toxic