Eternatus @ Choice Specs  
Ability: Pressure  
Tera Type: Dragon  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon 
- Draco Meteor  
- Sludge Bomb  
- Fire Blast / Toxic Spikes

Eternatus @ Power Herb
Ability: Pressure
EVs: 252 SpA / 4 SpD / 252 Spe
Tera Type: Dragon / Fairy / Fire
Timid Nature
- Meteor Beam
- Dynamax Cannon
- Sludge Bomb
- Flamethrower / Fire Blast

Eternatus @ Power Herb  
Ability: Pressure  
Tera Type: Fairy  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Meteor Beam  
- Dynamax Cannon  
- Fire Blast